Relevant bibliographies by topics / Earthquakes Volcanoes

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
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Academic literature on the topic 'Earthquakes Volcanoes'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Earthquakes Volcanoes"

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Seniukov, S., and I. Nuzhdina. "VOLCANOES of KAMCHATKA." Zemletriaseniia Severnoi Evrazii [Earthquakes in Northern Eurasia], no. 22 (November 12, 2019): 485–501. http://dx.doi.org/10.35540/1818-6254.2019.22.43.

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The results of near real-time monitoring of the active Kamchatka volcanoes are described. Continuous monitoring was carried out using three remote methods: 1) seismic monitoring according to automatic telemetric seismic stations; 2) visual and video observation; 3) satellite observation of the thermal anomalies and ash clouds. Daily information about the volcanic activity is published on the Internet (http://www.emsd.ru/~ssl/monitoring/main.htm) since February 2000. Annual results of the seismic activity of the Northern (Shiveluch, Kluchevskoy, Bezymianny, Krestovsky, and Ushkovsky), Avacha (Avachinsky and Koryaksky), Mutnovsky-Gorely volcano group, and Kizimen volcano are presented. 4390 earthquakes with КS=3.0–8.5 were located for the Northern volcano group, 213 earthquakes with КS=1.8–5.7 – for Avacha volcano group, 110 earthquakes with КS=2.7–7.2 – Mutnovsky-Gorely volcano group, 199 earthquakes with КS=3.0–8.5 for Kizimen volcano, and 22 earthquakes with КS=3.7–6.7 for the Zhupanovsky volcano in 2013. Maps of epicenters, quantities of seismic energy, and earthquake distribution according to class are given. All periods of activity were fixed and investigated by remote methods in 2013: intensive volcanic activity of Sheveluch volcano associated with new cone, subplinian summit eruption of Kluchevskoy volcano, seismic and volcanic activity of Zhupanovsky volcano after a 56-year quite period, and the ending of the long-time eruptions: Tolbachik fissure eruption and Kizimen volcano eruption.
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Seniukov, S., and I. Nuzhdina. "VOLCANOES OF KAMCHATKA." Earthquakes in Northern Eurasia, no. 23 (December 15, 2020): 375–87. http://dx.doi.org/10.35540/1818-6254.2020.23.38.

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The results of near real-time monitoring of the active Kamchatka volcanoes are described. Continuous monitoring was carried out using three remote methods: 1) seismic monitoring according to automatic telemetric seismic stations; 2) visual and video observation; 3) satellite observation of the thermal anomalies and the ash clouds. Daily information about volcanic activity is published in the Internet (http://www.emsd.ru/~ssl/ monitoring/main.htm) since February 2000. Annual results of seismic activity of the Northern (Shiveluch, Klu-chevskoy, Bezymianny, Krestovsky and Ushkovsky), Avacha (Avachinsky and Koryaksky), Mutnovsky-Gorely volcano group and Kizimen volcano are presented. 4983 earthquakes with КS=2.1–8.7 were located for Northern volcano group, 469 earthquakes with КS=1.6–6.1 – for Avacha volcano group, 459 earthquakes with КS=1.9–6.1 – Mutnovsky-Gorely volcano group, 220 earthquakes with КS=2.4–8.5 for Kizimen volcano and 238 earthquakes with КS=2.5–8.4 for Zhupanovsky volcano in 2014. Maps of epicenters, quantities of seismic energy and earth-quake distribution according to class are given. All periods of activity were fixed and investigated by remote me-thods in 2014: intensive volcanic activity of Shiveluch volcano associated with new cone, a con-tinuation of the seismic and volcanic activity of Zhupanovsky volcano after 56-year quite period and the ending of the summit explosive-effusive eruption of Kluchevskoy volcano in January-February.
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Bagirov, E., R. Nadirov, and I. Lerche. "Earthquakes, Mud Volcano Eruptions, and Fracture Formation Hazards in the South Caspian Basin: Statistical Inferences from the Historical Record." Energy Exploration & Exploitation 14, no. 6 (December 1996): 585–606. http://dx.doi.org/10.1177/014459879601400604.

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Based on data since 1832 from 533 earthquakes and 220 mud volcanoes in the Azerbaijan region, an analysis is given of: (a) the occurrence likelihood of weak, medium and strong earthquakes, the latter capable of causing significant damage; (b) the likely directions from which damaging earthquake waves can arrive; (c) the likelihood of a mud volcano hazard (ejected breccia and/or mud flows and/or flame ignition) in temporal association with an earthquake; and (d) the likelihood of fracture formation associated with mud volcanic eruptions. The Chirag region of the South Caspian Basin is used to illustrate application of the methods because of the potential significance of the region for hydrocarbon exploration involving rigs susceptible to the above hazards. The statistical information would indicate that the occurrence likelihood for a 7-balls or higher damaging earthquake in the Chirag region corresponds to an average waiting time of around 5,000 yrs; a medium strength (6-balls or higher) earthquake should occur, on average, in the region every 1,200 yrs, while a weak earthquake (5-balls or higher) is likely to occur, on average, every 110 years. The most likely direction of longitudinal seismic waves from earthquakes of sufficient strength to cause significant damage in the Chirag region, be the earthquake epicenter in the region or at a remote focus, is roughly east and west, with a slight prevalence for a westward origin. There is some correlation between earthquake actively and mud volcano activity, suggesting that mud volcanoes occur between zero to five years prior to earthquakes. But the correlation is not sharply delineated due to the paucity and quality of currently available data. For surface fractures, associated with mud volcano eruptions, which can be meters wide and can stretch for a kilometer or more, only volcanoes with five or more eruptions were used to estimate the likelihood of fracture occurrence, yielding an average of about 30% chance of occurrence. The low number and low quality of data did not permit any more detailed investigation of fracture parameters – such as average width, length or offset. In view of the potential hazards for oil rigs in the offshore South Caspian Basin, it would seem that organized, high quality, data collection both offshore and onshore should be rapidly undertaken as a vital adjunct to drilling operations in order to sharpen the assessments of risk factors presented here.
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Kugaenko, Yu A., V. A. Saltykov, I. Yu Koulakov, V. M. Pavlov, P. V. Voropaev, I. F. Abkadyrov, and V. P. Komzeleva. "An Awakening Magmatic System beneath the Udina Volcanic Complex (Kamchatka): Evidence from Seismic Unrest of 2017–2019." Russian Geology and Geophysics 62, no. 2 (February 1, 2021): 223–38. http://dx.doi.org/10.2113/rgg20194098.

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Abstract —The Udina volcanic complex located in the southeastern part of the Klyuchevskoy group of volcanoes in Kamchatka remained dormant for several thousand years, but the magmatic system beneath the area may be awakening judging by seismic unrest. Seismicity in the area is characterized by data from permanent regional seismic stations and campaign local stations, as well as by data of the Kamchatka earthquake catalog. Seismic activity having nucleated at shallow depths in the vicinities of the Udina volcanoes since October 2017 may reflect a beginning cycle of volcanism. The earthquakes are mainly long-period (LP) 0.5–5 Hz events, which are commonly attributed to the movement of viscous magma and resonance phenomena in magma conduits. Such earthquakes may be a response to inputs of new magma batches to the plumbing system that feeds the volcanoes and thus may be precursors of volcanic unrest. Seismic campaigns of May–July 2018 near the Udina complex provided more rigorous constraints on earthquake coordinates and origin depths and showed that most of the earthquakes originated within 5 km beneath the Bolshaya Udina Volcano. Seismic tomographic inversion using the LOTOS code revealed a zone of high P-wave velocities, low S-wave velocities, and a high vP/vS ratio directly beneath the volcano. Such a combination of parameters typically occurs in active volcanic areas and marks intrusion of partially molten magma and/or liquid fluids. The velocity anomaly detected in 2018 is shallower than that recovered in 2014–2015. The seismic evidence, along with the available geological and geophysical data, record the movement of viscous magma related to the Udina feeding system in the middle crust, which is implicit proof for connection between the intermediate crustal and deep mantle magma sources renewed after a long lull.
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Inoue, Hiroshi, Renato U. Solidum, and Jr. "Special Issue on Enhancement of Earthquake and Volcano Monitoring and Effective Utilization of Disaster Mitigation Information in the Philippines." Journal of Disaster Research 10, no. 1 (February 1, 2015): 5–7. http://dx.doi.org/10.20965/jdr.2015.p0005.

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This special issue of JDR features 18 papers and reports on an international 2010 to 2015 cooperative project entitled gEnhancement of Earthquake and Volcano Monitoring and Effective Utilization of Disaster Mitigation Information in the Philippines.h This project is being conducted under the SATREPS program (Science and Technology Research Partnership for Sustainable Development), cosponsored by the JST (Japan Science and Technology Agency) and JICA (Japan International Cooperation Agency). The Philippines is one of the worldfs most earthquake and volcano disaster-prone countries because it is located along the active boundary between the Philippine Sea Plate and Eurasian Plate. Collisions by the two plates generate plate subductions and crustal stress that generates earthquakes and volcanic activities on the archipelago. The Philippines has experienced numerous disastrous earthquakes, the most recent being the 1990 M7.8 Luzon earthquake, which killed over 1,000 local residents. A damaging earthquake also occurred during this 5-year project, in October 2013, on Bohol Island, causing about 200 deaths when houses and other buildings collapsed. Volcanoes are another major killer in the Philippines. The largest in the last century was when the Taal volcano erupted in 1911, killing 1,300 by a base surge. The 1991 Mt. Pinatubo eruption is known as the largest volcanic event in the 20th century. The Mayon volcano is also known to be a beautiful but dangerous volcano that frequently erupts, causing lahars ? steaming moving fluid masses of volcanic debris and water ? that damaged villages at the foot of the mountain. The PHIVOLCS (Philippine Institute of Volcanology and Seismology), a governmental agency mandated to monitor earthquakes and volcanoes, provides earthquake and volcano information and alerts to the public. It also conducts research on the mechanisms behind such natural phenomena and on evaluating such hazards and risks. The PHIVOLCSfs other mission is educating people and society on being prepared for disasters. Earthquake and volcano bulletins and alerts, research output, and educational materials and training provided by PHIVOLCS have enriched knowledge and enhanced measures against disaster. The primary target of this SATREPS project is to enhance existing monitoring networks, whose equipment has been provided by Japanese ODA (Official Development Aid). Through the SATREPS project, we have introduced the latest technology to provide the public with more accurate information more quickly. This project also promotes research for deepening the understanding of earthquakes and volcano activities in better assessing hazard and risk. Project components, tasks, and main Japanese organizations are as follows: 1) Earthquake and tsunami monitoring, NIED 1-1) Advanced real-time earthquake source information, Nagoya University 1-2) Real-time seismic intensity network, NIED 1-3) Tsunami monitoring and forecasting, NIED, JMA 2) Evaluation of earthquake generation potential, Kyoto University 2-1) Campaign and continuous GPS observation, Kyoto University, GSI 2-2) Geological and geomorphological studies of earthquake faults, Kyoto University 3) Integrated real-time monitoring of the Taal and Mayon volcanoes, Nagoya University 3-1) Seismic and infrasonic observation, Nagoya University 3-2) Continuous GPS monitoring, Kyoto University 3-3) Electromagnetic monitoring, Tokai University 4) Provision of disaster mitigation information and promotion of utilization, NIED 4-1) Simple seismic diagnosis, NIED 4-2) Tsunami victims interview manga (comic book form) and DVD, NIED 4-3) Disaster information portal site, NIED <span style="font-size: xx-small;">*NIED: National Institute for Earth Science and Disaster Prevention; JMA: Japan Meteorological Agency; GSI: Geospatial Information Authority of Japan</span> This issuefs first article by Melosantos et al., reports on results of installing a broadband seismometer network to provide seismic data used in the next two articles. Papers by Bonita and Punongbayan detail the results of SWIFT, a new earthquake source analysis system that automatically determines the location, size, and source mechanisms of moderate to large earthquakes. The report by Inoue et al. describes the development of the first instrumental intensity network system in the Philippines, followed by a report on its deployment and observation by Lasala et al. The article by Igarashi et al. describes the development of a tsunami simulation database for a local tsunami warning system in the Philippines. The next five papers represent the 2) Earthquake Generation Potential project component. Ohkura et al. detail the results of campaign GPS observations on Mindanao Island, which first delineated the detailed plate movement and internal deformation of Mindanao. Tobita et al. report the results of the first continuous GPS observations across the Philippine Fault. The next three papers describe the results of geological and geomorphological studies of the Philippine Fault on Mindanao Island by Perez et al., the 1973 Ragay Gulf Earthquake by Tsutsumi, and submarine mapping of the Philippine Fault by Yasuda et al.. These results provide insights on the recurrence and sizes of large damaging earthquakes in different areas. An electromagnetic study of the Taal volcano reported by Alanis et al. and the GPS monitoring of the Mayon volcano detailed by Takagi et al. are a part of intensive studies of these two volcanoes. Scientific research results were published in advance in other international journals by the research group concerning 3) Integrated Real-Time Volcano Monitoring of the Taal and Mayon Volcanoes. Real-time information on these volcanoes are telemetered to Manila and checked regularly as a part of standard operational procedures. Real-time earthquake and tsunami information by 1) Earthquake and Tsunami Monitoring has already been implemented in the monitoring system. The last five papers and reports cover results for 4) Provision of Disaster Mitigation Information and Promotion of Utilization. Imai et al. report on a full-scale shaking table test of typical residential Philippines houses made of hollow concrete blocks. They demonstrate the importance of following building codes. A paper by Imai et al. introduces simple seismic diagnosis for masonry houses as a practical tool for raising peoplefs awareness of housing vulnerability to earthquakes. Salcedo et al. report a dissemination strategy for the practical tools. The last two papers, by Villegas, report on video interviews made with Philippino tsunami survivors in the Tohoku area following the 2011 Great East Japan Earthquake. The results are compiled and selected stories published in comic-book form as easy-to-understand educational materials on tsunami disaster awareness. Information on earthquakes and volcanoes provided by the enhanced monitoring system, research output, and educational materials obtained through the SATREPS project are provided to stakeholders to enhance measures against disasters at various levels and in different timeframes. Readers of this special issue can reference information through a newly established SATREPS project portal site, the PHIVOLCS Disaster Information Portal, at <a href="http://satreps.phivolcs.dost.gov.ph/">http://satreps.phivolcs.dost.gov.ph/</a>. It can also be accessed from the PHIVOLCS web page at <a href="http://www.phivolcs.dost.gov.ph/">http://www.phivolcs.dost.gov.ph/</a>. Finally, I extend my sincere thanks to all authors and reviewers involved in this special issue.
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Takada, Youichiro, and Yo Fukushima. "Volcanic Subsidence Triggered by Megathrust Earthquakes." Journal of Disaster Research 9, no. 3 (June 1, 2014): 373–80. http://dx.doi.org/10.20965/jdr.2014.p0373.

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Studies using spaceborne interferometric synthetic aperture radar (InSAR) analysis showed that two megathrust earthquakes – the 2011Mw9.0 Tohoku-oki earthquake in Japan and the 2010Mw8.8Maule earthquake in Chile – triggered unprecedented subsidence in multiple volcanoes. There are strong similarities in the characteristics of the surface deformation in Japan and Chile: (1) Maximum subsidence is about 15 cm. (2) Areas of subsidence are elliptically elongated in a north-south direction perpendicular to the principal axis of the extensional stress change. (3) Most of this subsidence is coseismic. These similarities imply that volcanic subsidence triggered by the megathrust earthquakes is a ubiquitous phenomenon. Nonetheless, the mechanism of subsidence is yet to be investigated. Two main hypotheses have been proposed thus far: 1) The localized deformation of hot and weak plutonic bodies. 2) Water release from large hydrothermal reservoirs beneath the volcanoes.
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Kasahara, J. "GEOPHYSICS: Tides, Earthquakes, and Volcanoes." Science 297, no. 5580 (July 19, 2002): 348–49. http://dx.doi.org/10.1126/science.1074601.

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Brodsky, E. E., B. Sturtevant, and H. Kanamori. "Earthquakes, volcanoes, and rectified diffusion." Journal of Geophysical Research: Solid Earth 103, B10 (October 10, 1998): 23827–38. http://dx.doi.org/10.1029/98jb02130.

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Iguchi, Masato, Surono, Takeshi Nishimura, Muhamad Hendrasto, Umar Rosadi, Takahiro Ohkura, Hetty Triastuty, et al. "Methods for Eruption Prediction and Hazard Evaluation at Indonesian Volcanoes." Journal of Disaster Research 7, no. 1 (January 1, 2012): 26–36. http://dx.doi.org/10.20965/jdr.2012.p0026.

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We report methods, based on geophysical observations and geological surveys, for the prediction of eruptions and the evaluation of the activity of 4 volcanoes in Indonesia. These are Semeru, Guntur, Kelud and Sinabung volcanoes. Minor increases in tilt were detected by borehole tiltmeters prior to eruptions at the Semeru volcano depending on the seismic amplitude of explosion earthquakes. The results show the possibility of prediction of the type and magnitude of eruption and the effectiveness of observation with a high signalto-noise ratio. The establishment of background data is important for evaluating volcanic activity in longterm prediction. Typical distributions of volcanic and local tectonic earthquakes were obtained around the Guntur volcano, where geodetic monitoring by continuous GPS observation is valuable. The cumulative volume of eruptive products is valuable for evaluating the potential for future eruption. The eruptive rate of the Kelud volcano is ca 2×106m3/y (dense rock equivalent), but the volume of the 2007 eruption was only 2×107m3, suggesting a still high potential for eruption. Based on geological surveys and dating, an eruption scenario is proposed for the activity of Mt. Sinabung, where phreatic eruptions occurred in 2010 after a historically long dormancy.
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Slattery, William. "Earthquakes, Volcanoes, and the Information Superhighway." Science Activities: Classroom Projects and Curriculum Ideas 33, no. 3 (September 1996): 8–12. http://dx.doi.org/10.1080/00368121.1996.10113226.

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Dissertations / Theses on the topic "Earthquakes Volcanoes"

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Roberts, Nick Stuart. "Earthquake distributions at volcanoes : models and field observations." Thesis, University of Edinburgh, 2016. http://hdl.handle.net/1842/23653.

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Volcanic earthquakes can provide significant insight into physical processes acting at volcanoes, such as magma accumulation and the mechanisms of deformation of the volcanic edifice. At the same time a statistical analyses of volcanic seismicity prior to an eruption (for example variations in the Gutenberg-Richter b-value – a measure of the proportion of large and small events) are a key component of the practical problem of forecasting eruptions. This thesis aims to tackle two key areas of research that are closely related to these important overall goals, by comparing seismic data obtained from currently-active volcanoes with direct field observation of faulting and fracturing from an exhumed extinct volcano. First I introduce a new approach that improves the accuracy and reliability of calculating spatial and temporal variations of the seismic b-value for frequency-magnitude distributions at active volcanoes, and apply it to several test cases. An extensive literature review highlights a large variability and lack of standardisation of methodology used to analyse frequency-magnitude distributions in the past. Motivated by this, I introduce and test a new workflow to standardise calculating completeness magnitudes of seismic catalogues. The review also highlights the fact that uncertainties in estimating the threshold magnitude of complete reporting have been ignored to date. Here I use synthetic catalogues to quantify this previously unidentified source of error, and provide a template to estimate the total error in b-value. In standard analysis it is also common to sample time windows subjectively, although this can introduce bias. Here I develop a new objective, iterative sampling method that calculates the b-value as a full probability density function which need not have a Gaussian error structure. Application of this method reveals ‘mode-switching’ behaviour for the first time in volcanic seismic catalogues. The results also show b-values often do have a value indistinguishable from that of tectonic seismicity (b=1 within error). Nevertheless there are also several robust examples of real high b-values, as high as 3.3. The second part of the study is based on a field campaign to investigate the fracture zones from an exhumed volcanic setting on the Isle of Rum, NW Scotland. Lithological and structural mapping is used to collect structural data that is then used to quantify and explain complex fracture patterns and the underlying intra-magma chamber processes that occurred there in the geological past. In particular I identify a singular collapse event within the youngest volcanic unit, the Central Intrusion. This is responsible for forming the observed igneous breccias and the lineaments on satellite images that I interpret as contemporaneous faults. Using appropriate scaling relations, I infer the b-value for the Rum lineaments data. This would have been relatively high, at a value of approximately 1.9. The final part of the study compares the fracture data on Rum to earthquake distributions at El Hierro volcano, Canary Islands. Here I show the level of fractal clustering is similar in both an extinct (60 Ma) and a currently active volcano. Both show similar high levels of clustering. However, in both cases there is a difference between the capacity and correlation dimensions (D₀≠D₂), implying the set of rupture sources or mapped fault traces form a multi-fractal set. Broadly, the scaling of fracture sets in an ancient volcano has similar properties to those observed in a modern volcano, except that the Rum data imply a greater absolute degree of spatial clustering of deformation than that for the recent unrest at El Hierro.
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Hill-Butler, C. "Evaluating the effect of large magnitude earthquakes on thermal volcanic activity : a comparative assessment of the parameters and mechanisms that trigger volcanic unrest and eruptions." Thesis, Coventry University, 2015. http://curve.coventry.ac.uk/open/items/5f612a7d-ebbf-4d38-90aa-89c4984a1c0f/1.

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Volcanic eruptions and unrest have the potential to have large impacts on society causing social, economic and environmental losses. One of the primary goals of volcanological studies is to understand a volcano’s behaviour so that future instances of unrest or impending eruptions can be predicted. Despite this, our ability to predict the onset, location and size of future periods of unrest remains inadequate and one of the main problems in forecasting is associated with the inherent complexity of volcanoes. In practice, most reliable forecasts have employed a probabilistic approach where knowledge of volcanic activity triggers have been incorporated into scenarios to indicate the probability of unrest. The proposed relationship between large earthquakes and volcanic activity may, therefore, indicate an important precursory signal for volcanic activity forecasting. There have been numerous reports of a spatial and temporal link between volcanic activity and high magnitude seismic events and it has been suggested that significantly more periods of volcanic unrest occur in the months and years following an earthquake than expected by chance. Disparities between earthquake-volcano assessments and variability between responding volcanoes, however, has meant that the conditions that influence a volcano’s response to earthquakes have not been determined. Using data from the MODVOLC algorithm, a proxy for volcanic activity, this research examined a globally comparable database of satellite-derived volcanic radiant flux to identify significant changes in volcanic activity following an earthquake. Cases of potentially triggered volcanic activity were then analysed to identify the earthquake and volcano parameters that influence the relationship and evaluate the mechansisms proposed to trigger volcanic activity following an earthquake. At a global scale, this research identified that 57% [8 out of 14] of all large magnitude earthquakes were followed by increases in global volcanic activity. The most significant change in volcanic radiant flux, which demonstrates the potential of large earthquakes to influence volcanic activity at a global scale, occurred between December 2004 and April 2005. During this time, new thermal activity was detected at 10 volcanoes and the total daily volcanic radiant flux doubled within 52 days. Within a regional setting, this research also identified that instances of potentially triggered volcanic activity were statistically different to instances where no triggering was observed. In addition, assessments of earthquake and volcano parameters identified that earthquake fault characteristics increase the probability of triggered volcanic activity and variable response proportions at individual volcanoes and regionally demonstrated the critical role of the state of the volcanic system in determining if a volcano will respond. Despite the identification of these factors, this research was not able to define a model for the prediction of volcanic activity following earthquakes and, alternatively, proposed a process for response. In doing so, this thesis confirmed the potential use of earthquakes as a precursory indicator to volcanic activity and identified the most likely mechanisms that lead to seismically triggered volcanic unrest.
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Woods, Jennifer. "Dyke-induced earthquakes during the 2014-15 Bárðarbunga-Holuhraun rifting event, Iceland." Thesis, University of Cambridge, 2019. https://www.repository.cam.ac.uk/handle/1810/289448.

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Understanding dykes is vital as they serve both as bodies that build the crust and as conduits that feed eruptions. The 2014-15 Bárðarbunga-Holuhraun rifting event comprised the best-monitored dyke intrusion to date and the largest eruption in Iceland in 230 years. Over a 13 day period magma propagated laterally from the subglacial Bárðarbunga volcano, Iceland, along a 48 km path before erupting in the Holuhraun lava field on 29 August 2014. A huge variety of seismicity was produced, including over 30,000 volcano-tectonic earthquakes (VTs) associated with the dyke propagation at ∼ 6 km depth below sea level, and long-period seismicity - both long-period earthquakes (LPs) and tremor - associated with the eruption processes. The Cambridge University seismic network in central Iceland recorded the dyke seismicity in unprecedented detail, allowing high resolution analyses to be carried out. This dissertation comprises two parts: study of 1) the volcano-tectonic dyke-induced seismicity and 2) the long-period seismicity associated with eruption processes. Volcano-tectonic earthquakes induced by the lateral dyke intrusion were relocated, using cross-correlated, sub-sample relative travel times. The ∼ 100 m spatial resolution achieved reveals the complexity of the dyke propagation pathway and dynamics (jerky, segmented), and allows us to address the precise relationship between the dyke and seismicity. The spatio-temporal characteristics of the induced seismicity can be directly linked in the first instance to propagation of the tip and opening of the dyke, and following this - after dyke opening - indicate a relationship with magma pressure changes (i.e. dyke inflation/deflation), followed by a general 'post-opening' decay. Seismicity occurs only at the base of the dyke, where dyke-imposed stresses - combined with the background tectonic stress (from regional extension over > 200 years since last rifting) - are sufficient to induce failure of pre-existing weaknesses in the crust, while the greatest opening is at shallower depths. Emplacement oblique to the spreading ridge resulted in left-lateral shear motion along the distal dyke section (studied here), and a prevalence of left-lateral shear failure. Fault plane strikes are predominately independent of the orientation of lineations delineated by the hypocenters, indicating that they are controlled by the underlying host rock fabric. Long-period earthquakes and tremor were systematically detected and located during the dyke propagation phase and the first week of the eruption. Clusters of highly similar, repetitive LPs were identified, with a peak frequency of ∼ 1 Hz and clear P and S phases followed by a long-duration coda. The source mechanisms were remarkably consistent between clusters and also fundamentally different to those of the VTs. The clusters were accurately located near each of three ice cauldrons (depressions formed by basal melting) that were observed on the surface of Dyngjujökull glacier above the path of the dyke. Most events were in the vicinity of the northernmost cauldron, at shallower depth than the VTs associated with lateral dyke propagation. At the two northerly cauldrons, periods of shallow seismic tremor following the clusters of LPs were also observed. Given that the LPs occurred at ∼ 4 km depth and in swarms during times of dyke-stalling, it is inferred that they result from excitation of magmatic fluid-filled cavities and indicate magma ascent. The tremor may then represent the climax of the vertical melt movement, arising from either rapid, repeated excitation of the same LP cavities, or sub-glacial eruption processes. This long-period seismicity therefore highlights magma pathways between the depth of the dyke-VT earthquakes and the surface. Notably, no tremor is detected associated with each cauldron, despite melt reaching the base of the overlying ice cap, a concern for hazard forecasting.
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Fuchs, Florian [Verfasser]. "Dynamic triggering: The effects of remote earthquakes on volcanoes, hydrothermal systems and tectonics / Florian Fuchs." Bonn : Universitäts- und Landesbibliothek Bonn, 2015. http://d-nb.info/1077289243/34.

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Loureiro, Miguel. "Of the earthquake and other stories : the continuity of change in Pakistan-administered Kashmir." Thesis, University of Sussex, 2012. http://sro.sussex.ac.uk/id/eprint/43284/.

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On October 8th 2005 the villages surrounding Chinati bazaar in Bagh district of Pakistani-administered Kashmir (PaK) were hit by an earthquake measuring 7.6 on the Richter scale that affected the lives of more than 3.5 million people in PaK and Khyber Pukhtunkhwa. In this thesis I attempt to understand, through the stories and narratives of the people of Chinati bazaar, how they lived through, made sense of, and dealt with the earthquake and its aftermath. I use participant observation and conversations to tell the stories of those affected by the earthquake in their own voices as much as possible. The storytellers of the bazaar lived through two types of events: the earthquake itself and the post-earthquake rehabilitation and reconstruction process. The latter brought with it both positive and negative impacts: if, on the one hand, it brought progress and a new hope that life could be ‘Built Back Better', on the other hand, it brought a different type of suffering – one that led to a loss of honour and dignity, resulted in social upheavals, and led to the exclusion and marginalization of certain groups. In this thesis I focus on both these ‘events'. Through these stories I build an argument about post-disaster discourses of change. I argue that while the narratives of the storytellers of Chinati bazaar posit the earthquake as a point of rupture in their confabulated stories, from which the collective memory of the bazaar dates its movement towards becoming modern and global, these changes have their origins instead in ‘bigger' stories of modernisation and globalisation that predate the earthquake and that highlight and emphasise more continuous processes of change that have been occurring over a longer period of time. In this thesis I analyse how these two competing discourses of rupture and dramatic change on the one hand, and slow, continuous change on the other, play out in the lives of the storytellers of Chinati Bazaar.
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Feng, Lujia. "Investigations of volcanic and earthquake-related deformation: observations and models from Long Valley Caldera, Northwestern Peloponnese, and Northwestern Costa Rica." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/41220.

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The advent of Global Positioning System (GPS) has revolutionized geodesy with high accuracy, fast speed, simple use, and low cost. This dissertation investigates three topics on volcano and earthquake-related deformation using GPS measurements and models to demonstrate the power of the new generation of geodetic methods. The three topics include the 2002-2003 continued episodic inflation at Long Valley Caldera in eastern California, the coseismic and postseismic response of the energetic 2008 MW 6.4 Achaia-Elia Earthquake in northwest Peloponnese, Greece, and the interseismic megathrust coupling and forearc sliver transport near the Nicoya Peninsula in northwest Costa Rica.
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Ratdomopurbo, Antonius. "Étude sismologique du volcan Merapi et formation du dome de 1994." Grenoble 1, 1995. http://www.theses.fr/1995GRE10064.

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Le merapi est un volcan qui a une activite quasi-continue. L'explosion est normalement accompagnee par une serie de nuees-ardentes, dites merapiennes. La chronologie d'activite volcanique varie d'une activite a l'autre, il est donc difficile de trouver le niveau d'activite sismique critique pour ce volcan. En principe, il y a 2 types d'activite: avec et sans seismes volcanotectoniques de types vta et vtb. Les donnees de seismes de types vta et vtb recoltees au courant de l'annee 1991 qui ont servi a cette etude, ont fait l'objet d'un traitement de routine (depouillement, localisation de l'hypocentre,). Ce traitement nous a conduit a remarquer que les seismes de type vta et ceux de vtb sont separes par une zone asismique a environ 1. 5 km de profondeur. Ce resultat et celui de l'analyse petrographique (berthommier et al. , 1992) conduisent a l'existence d'une poche magmatique a cette profondeur. Parmi les seismes de type vtb, nous avons trouve certains de forme similaire, que l'on appelle doublets ou multiplets. En analysant la variation du delai le long du sismogramme, en utilisant la methode inter-spectrale de la fenetre mobile, nous avons constate que la vitesse sismique a augmente d'environ 1. 7% de janvier a septembre 1991. Cette valeur est de l'ordre de dix fois celle observee sur la region tectonique. L'augmentation de vitesse est generee par la croissance de la pression du magma avant l'eruption. La surveillance de la formation du dome de 1994 a montre que, au bout d'un moment, le processus s'arrete. Nous supposons que ceci est du a l'equilibre qui s'etablit entre la pression du magma a l'extremite du conduit et la pression lithostatique que genere le dome lui meme. Si cet equilibre quasi-stable est interrompu, l'explosion se produit comme celle du 22 novembre 1994
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Hidayati, Sri. "Study on volcano-tectonic earthquakes at Sakurajima volcano and its surroundings." 京都大学 (Kyoto University), 2007. http://hdl.handle.net/2433/136776.

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Bracamontes, Dulce Maria Vargas. "Stress models related to volcano-tectonic earthquakes." Thesis, University of Leeds, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.540585.

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Jeddi, Zeinab. "Seismological Investigation of Katla Volcanic System (Iceland) : 3D Velocity Structure and Overall Seismicity Pattern." Doctoral thesis, Uppsala universitet, Institutionen för geovetenskaper, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-303342.

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The work in this thesis concentrates on Katla volcano in southern Iceland. This is one of Europe’s most active volcanoes and its history tells us that it poses many threats to society, both locally (Iceland) and on a broader scale (Europe). Its geological setting is complex, where the effects of a melting anomaly in the mantle and a changing rift geometry, perturb the classical setting of volcanism in a rifting setting. The work has focused on two aspects. The first is the varying distribution of physical properties in the subsurface around the volcano. The second is the distribution of microearthquakes around the volcano. The physical properties that we study are the speeds of seismic waves that reflect variations of temperature, composition and fracturing of the rocks. These can, therefore, help us learn about long-term processes in the volcano. The seismicity gives shorter-term information about deformation associated with current processes. I have applied two tomographic techniques to study Katla’s subsurface to a depth of 5-10 km, namely local-earthquake and ambient-noise tomography. The former makes use of the timing of waves generated by local earthquakes to constrain the earthquakes’ locations and the distribution of wave speed. Here I have concentrated on compressional waves or P waves with a typical frequency content around 10 Hz. With the latter, surface waves are extracted from microseismic noise that is generated far away at sea and their timing is measured to constrain their wave-speed distribution, which then is used to map shear-wave velocity variations. This is done at a typical frequency of 0.3 Hz. I find that the volcano contains rocks of higher velocity than its surroundings, that Katla’s caldera is underlain by low velocities at shallow depth that may be explained by hot or partially molten rocks and that beneath the caldera lies a volume of particularly high velocities that may constitute differentiated cumulates. But, I also find that it is not simple to compare results from such different wave types and discuss a number of complications in that regard. In addition to the well-known microearthquake distribution in the caldera region of Katla and to its west, we have discovered two additional areas of microearthquake activity on the volcano’s flanks, south and east of the caldera. These point to current activity and are, therefore, of interest from a hazard point of view. However, it is difficult to pinpoint their underlying process. Speculation about possible interpretation leads me to hydrothermal processes or small pockets of melt ascending due to their buoyancy or locally enhancing fluid pressure, thereby lowering the effective stress.
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Books on the topic "Earthquakes Volcanoes"

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1938-, Moores Eldridge M., Beckett Andrew, and National Geographic Society (U.S.), eds. Volcanoes & earthquakes. [Alexandria, Va.]: Time-Life Books, 1996.

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Volcanoes & earthquakes. Dorking: Templar, 2008.

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Knight, Linsay. Volcanoes & earthquakes. Edited by Moores Eldridge M. 1938-. Hemel Hempstead: Macdonald Young Books, 1995.

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Vrbova, Zuza. Volcanoes & earthquakes. Mahwah, N.J: Troll Associates, 1990.

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Kerrod, Robin. Volcanoes & earthquakes. London: Hermes House, 2000.

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Oxlade, Chris. Earthquakes & volcanoes. London: Franklin Watts, 2006.

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Stidworthy, John. Earthquakes & volcanoes. San Diego, CA: Thunder Bay Press, 1996.

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Volcanoes and earthquakes. New York: Scholastic, 1985.

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Booth, Basil. Earthquakes and volcanoes. London: Cloverleaf, 1992.

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J, Jennings Terry. Volcanoes and earthquakes. Parsippany, N.J: Silver Burdett Press, 1998.

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Book chapters on the topic "Earthquakes Volcanoes"

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Wang, Chi-Yuen, and Michael Manga. "Mud Volcanoes." In Lecture Notes in Earth System Sciences, 323–42. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-64308-9_12.

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AbstractThe eruption of mud and magma can be influenced by earthquakes and reports date back more than 2000 years. Dozens of examples of eruptions have now been documented in response to both static and dynamic stresses from earthquakes. Already erupting systems are most sensitive to earthquakes compared to initiating new eruptions. Multiple plausible mechanisms have been proposed for triggering eruptions including disrupting particle-rich materials, mobilizing bubbles, or changing permeability—changes may occur both within and outside the reservoir hosting the materials that ultimately erupt. Using historical examples of triggered mud eruptions, we explain why it is unlikely that the Sidoarjo mud flow (sometimes nicknamed “Lusi”) was initiated by an earthquake. As multiparameter monitoring of volcanoes expands, it may eventually be possible to identify triggering mechanisms and how seismic waves influence magma and mud mobility in field settings.
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Wang, Chi-Yuen, and Michael Manga. "Mud Volcanoes." In Earthquakes and Water, 33–43. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-00810-8_3.

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Polet, J., and H. Kanamori. "Tsunami Earthquakes." In Complexity in Tsunamis, Volcanoes, and their Hazards, 3–23. New York, NY: Springer US, 2021. http://dx.doi.org/10.1007/978-1-0716-1705-2_567.

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Wright, J. B. "Introduction: earthquakes, volcanoes and meteorites." In Geology and Mineral Resources of West Africa, 151–53. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-015-3932-6_17.

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Donovan, Amy. "Earthquakes and Volcanoes: Risk from Geophysical Hazards." In Handbook of Risk Theory, 341–71. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-1433-5_14.

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Wang, Kelin, Yan Hu, and Jiangheng He. "Wedge Mechanics: Relation with Subduction Zone Earthquakes and Tsunamis." In Complexity in Tsunamis, Volcanoes, and their Hazards, 55–69. New York, NY: Springer US, 2009. http://dx.doi.org/10.1007/978-1-0716-1705-2_590.

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Prost, Gary L., and Benjamin P. Prost. "Acts of God? Earthquakes, Volcanoes, and Other Natural Disasters." In The Geology Companion, 257–314. Boca Raton : CRC Press, 2017.: CRC Press, 2017. http://dx.doi.org/10.1201/9781315152929-12.

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Lee, William H. K. "Complexity in Earthquakes, Tsunamis, and Volcanoes, and Forecast, Introduction to." In Encyclopedia of Complexity and Systems Science, 1213–24. New York, NY: Springer New York, 2009. http://dx.doi.org/10.1007/978-0-387-30440-3_80.

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Lee, William H. K. "Complexity in Earthquakes, Tsunamis, and Volcanoes, and Forecast, Introduction to." In Extreme Environmental Events, 68–78. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-7695-6_7.

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Siegel, Frederic R. "Damping the Dangers from Tectonics-Driven (Natural) Hazards: Earthquakes and Volcanoes." In Mitigation of Dangers from Natural and Anthropogenic Hazards, 19–20. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-38875-5_6.

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Conference papers on the topic "Earthquakes Volcanoes"

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Yousuke Miyagi, Masanobu Shimada, Takeo Tadono, Osamu Isoguchi, and Masato Ohki. "ALOS emergency observations by JAXA for monitoring earthquakes and volcanic eruptions in 2008." In 2008 Second Workshop on Use of Remote Sensing Techniques for Monitoring Volcanoes and Seismogenic Areas (USEReST). IEEE, 2008. http://dx.doi.org/10.1109/userest.2008.4740357.

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Losik, Len. "Using Satellites to Predict Earthquakes, Volcano Eruptions, Identify and Track Tsunamis." In AIAA SPACE 2012 Conference & Exposition. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2012. http://dx.doi.org/10.2514/6.2012-5176.

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Almasi, Amin. "Gravity measurement from moving platform by Kalman Filter and position and velocity corrections for earth layer monitoring to earthquake and volcano activity survey." In 2008 Second Workshop on Use of Remote Sensing Techniques for Monitoring Volcanoes and Seismogenic Areas (USEReST). IEEE, 2008. http://dx.doi.org/10.1109/userest.2008.4740355.

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Firmansyah, Rizky, Andri Dian Nugraha, and Kristianto. "Micro-earthquake signal analysis and hypocenter determination around Lokon volcano complex." In NATIONAL PHYSICS CONFERENCE 2014 (PERFIK 2014). AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4915048.

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Losik, L. "Using satellites to predict earthquakes, volcano eruptions, identify and track tsunamis from space." In 2012 IEEE Aerospace Conference. IEEE, 2012. http://dx.doi.org/10.1109/aero.2012.6187030.

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Siregar, Azhar Fuadi, Irwan Meilano, Dina Anggreni Sarsito, and Estu Kriswati. "Correlation between seismic activity and volcano deformation on Sinabung Volcano in February 2017." In INTERNATIONAL SYMPOSIUM ON EARTH HAZARD AND DISASTER MITIGATION (ISEDM) 2017: The 7th Annual Symposium on Earthquake and Related Geohazard Research for Disaster Risk Reduction. Author(s), 2018. http://dx.doi.org/10.1063/1.5047375.

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Harlianti, Ulvienin, Andri Dian Nugraha, and Novianti Indrastuti. "Relocation of volcano-tectonic earthquake hypocenter at Mt. Sinabung using double difference method." In INTERNATIONAL SYMPOSIUM ON EARTH HAZARD AND DISASTER MITIGATION (ISEDM) 2016: The 6th Annual Symposium on Earthquake and Related Geohazard Research for Disaster Risk Reduction. Author(s), 2017. http://dx.doi.org/10.1063/1.4987092.

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Santoso, Nono Agus, Rahmat Fajri, and Satria Bijaksana. "Identifying volcanic ash through magnetic parameters: Case studies of Mount Sinabung and other volcanoes." In INTERNATIONAL SYMPOSIUM ON EARTH HAZARD AND DISASTER MITIGATION (ISEDM) 2017: The 7th Annual Symposium on Earthquake and Related Geohazard Research for Disaster Risk Reduction. Author(s), 2018. http://dx.doi.org/10.1063/1.5047324.

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Ry, Rexha V., A. Priyono, A. D. Nugraha, and A. Basuki. "Seismicity study of volcano-tectonic in and around Tangkuban Parahu active volcano in West Java region, Indonesia." In THE 5TH INTERNATIONAL SYMPOSIUM ON EARTHHAZARD AND DISASTER MITIGATION: The Annual Symposium on Earthquake and Related Geohazard Research for Disaster Risk Reduction. Author(s), 2016. http://dx.doi.org/10.1063/1.4947372.

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Fathurrohmah, Septiana, and Ayu Candra Kurniati. "Disaster vulnerability assessment of Merapi Volcano eruption." In INTERNATIONAL SYMPOSIUM ON EARTH HAZARD AND DISASTER MITIGATION (ISEDM) 2017: The 7th Annual Symposium on Earthquake and Related Geohazard Research for Disaster Risk Reduction. Author(s), 2018. http://dx.doi.org/10.1063/1.5047291.

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Reports on the topic "Earthquakes Volcanoes"

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Syracuse, Ellen Marie. 2005 and 2008 earthquake relocations at Akutan Volcano. Office of Scientific and Technical Information (OSTI), November 2015. http://dx.doi.org/10.2172/1226895.

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Earthquakes & Volcanoes, Volume 23, Number 6, 1992. US Geological Survey, 1993. http://dx.doi.org/10.3133/70039050.

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This dynamic planet: World map of volcanoes, earthquakes, impact craters and plate tectonics. US Geological Survey, 2006. http://dx.doi.org/10.3133/i2800.

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Earthquakes & Volcanoes, Volume 21, Number 1, 1989: Featuring the U.S. Geological Survey's National Earthquake Information Center in Golden, Colorado, USA. US Geological Survey, 1989. http://dx.doi.org/10.3133/70039068.

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Publications of the Branch of Engineering Seismology and Geology, Office of Earthquakes, Volcanoes, and Engineering: January 1980 through December 1985. US Geological Survey, 1985. http://dx.doi.org/10.3133/1666.

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