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Journal articles on the topic 'Explosive activity'

Author: Grafiati

Published: 10 March 2023

Last updated: 19 July 2025

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1

Andriș, Adriana, and Sorin Burian. "Dynamics of the standardization process for explosive atmospheres." MATEC Web of Conferences 389 (2024): 00052. http://dx.doi.org/10.1051/matecconf/202438900052.

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This paper presents an overview of the standardization activity in the field of explosive atmospheres both at the national and international level, as well as the evolution of this activity in different areas related to these explosive atmospheres. In the first part of the paper, the aspects regarding explosion risk, explosion prevention and protection, classification of explosive atmospheres, as well as factors influencing explosion protection are briefly presented. In the second part of the paper, the context of standardization at the national level is presented together with the reference i

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2

Pei, Qing, Meng Li, and Heng Li. "Study on Thermal Decomposition and Thermal Safety of Mixtures of Highly Active Aluminum Powder and Nitramine Explosive." Journal of Physics: Conference Series 2478, no. 12 (2023): 122033. http://dx.doi.org/10.1088/1742-6596/2478/12/122033.

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Abstract The newly prepared and stored highly active aluminum powder were mixed with common nitramine explosives HMX and CL-20 at a mass ratio of 1:1, respectively. The effects of the two kinds of high active aluminum powder on the thermal decomposition properties of HMX and CL-20 were investigated by differential scanning calorimetry (DSC). The thermal explosion critical temperature of the mixture of high active aluminum powder and nitramine explosive was calculated. The result shows that after joining highly active aluminium powder, highly active aluminium/nitramine explosive mixture, modera

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3

Filippov, Vladimir, Andrey Eremenko, and Igor Mokrousov. "GEOTECHNOLOGY IMPACT ON SEISMIC ACTIVITY OF THE AREA DURING MINING PROTECTIVE PILLAR IN CONDITIONS OF SHEREGESH DEPOSIT." Interexpo GEO-Siberia 2, no. 5 (2019): 75–80. http://dx.doi.org/10.33764/2618-981x-2019-2-5-75-80.

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Analysis of blasting works during reserves mining of protective pillar of level-and-room mining and sublevel mining with application of mobile machinery is carried out. It is established that high power explosions, carried out within border of protective pillar, longtime impact on rock solid (up to 2 days and more). Each explosion forms seismic active zone in which shocks occur on the distance up to 400v and more. Converse to technology of sublevel caving with application of mobile machinery has excepted carrying out explosions with large mass of explosive materials (10t and more). Through a m

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4

Zuccarello, Luciano, Duccio Gheri, Silvio De Angelis, Riccardo Civico, Tullio Ricci, and Piergiorgio Scarlato. "Geophysical fingerprint of the 4–11 July 2024 eruptive activity at Stromboli volcano, Italy." Natural Hazards and Earth System Sciences 25, no. 7 (2025): 2317–30. https://doi.org/10.5194/nhess-25-2317-2025.

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Abstract. Paroxysmal eruptions, characterized by sudden and vigorous explosive activity, are frequent at open-vent volcanoes. Stromboli volcano, Italy, is well known for its nearly continuous degassing activity and mild explosions from the summit craters, occasionally punctuated by short-lived paroxysms. Here, we analyse multiparameter geophysical data recorded at Stromboli in early July 2024 during a period of activity that led to a paroxysmal eruption on 11 July. We use seismic, infrasound and ground deformation data, complemented by visual and unoccupied aircraft system observations, to ide

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5

Corradino, Claudia, Eleonora Amato, Federica Torrisi, Sonia Calvari, and Ciro Del Negro. "Classifying Major Explosions and Paroxysms at Stromboli Volcano (Italy) from Space." Remote Sensing 13, no. 20 (2021): 4080. http://dx.doi.org/10.3390/rs13204080.

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Stromboli volcano has a persistent activity that is almost exclusively explosive. Predominated by low intensity events, this activity is occasionally interspersed with more powerful episodes, known as major explosions and paroxysms, which represent the main hazards for the inhabitants of the island. Here, we propose a machine learning approach to distinguish between paroxysms and major explosions by using satellite-derived measurements. We investigated the high energy explosive events occurring in the period January 2018–April 2021. Three distinguishing features are taken into account, namely

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6

Corradino, Claudia, Eleonora Amato, Federica Torrisi, Sonia Calvari, and Ciro Del Negro. "Classifying Major Explosions and Paroxysms at Stromboli Volcano (Italy) from Space." Remote Sensing 13, no. 20 (2021): 4080. http://dx.doi.org/10.3390/rs13204080.

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Stromboli volcano has a persistent activity that is almost exclusively explosive. Predominated by low intensity events, this activity is occasionally interspersed with more powerful episodes, known as major explosions and paroxysms, which represent the main hazards for the inhabitants of the island. Here, we propose a machine learning approach to distinguish between paroxysms and major explosions by using satellite-derived measurements. We investigated the high energy explosive events occurring in the period January 2018–April 2021. Three distinguishing features are taken into account, namely

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7

Kondratyev, V. N. "Magic nuclei at explosive dynamo activity." EPJ Web of Conferences 107 (2016): 10006. http://dx.doi.org/10.1051/epjconf/201610710006.

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8

Rădoi, Florin, Ion Gherghe, and Alexandru Cămărășescu. "Experimental possibilities for industrial ventilation." MATEC Web of Conferences 354 (2022): 00030. http://dx.doi.org/10.1051/matecconf/202235400030.

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The activity of evaluation and verification of industrial ventilation installations has a strong preventive role in terms of explosion risk mainly due to the fact that of the three determining elements that can lead to an explosion phenomenon, ventilation installations can determine the presence of two elements namely the presence of fuel (gases, vapours, dusts, mists) and the source of initiation (hot surface, flame, sparks of mechanical origin, electrical sparks, static electricity, etc.). The development of experimental systems on„ which particular hazardous aspects that may occur during th

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9

Richards, Paul G., Douglas A. Anderson, and David W. Simpson. "A survey of blasting activity in the United States." Bulletin of the Seismological Society of America 82, no. 3 (1992): 1416–33. http://dx.doi.org/10.1785/bssa0820031416.

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Abstract Statistical information on chemical explosions is needed in seismology, to evaluate the practical difficulties in identifying this very common type of seismic source from other seismic sources such as small earthquakes and small nuclear explosions. We have obtained data on blasting activity from three different sources: (1) overview information from the U.S. Bureau of Mines (USBM) on the total amount of chemical explosives used in the United States during 1987, with breakdowns into different explosive types, and usage by different states; (2) overview information from the Mine Safety

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10

Ripepe, M., M. Rossi, and G. Saccorotti. "Image processing of explosive activity at Stromboli." Journal of Volcanology and Geothermal Research 54, no. 3-4 (1993): 335–51. http://dx.doi.org/10.1016/0377-0273(93)90071-x.

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11

De la Cruz-Reyna, Servando. "Poisson-distributed patterns of explosive eruptive activity." Bulletin of Volcanology 54, no. 1 (1991): 57–67. http://dx.doi.org/10.1007/bf00278206.

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12

Vasilescu, Gabriel, Robert Laszlo, Attila Kovacs, et al. "Evaluation of the explosion risk specific to the preparation and storage activity of the simple explosive mixture type ANFO." MATEC Web of Conferences 343 (2021): 10001. http://dx.doi.org/10.1051/matecconf/202134310001.

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The paper presents the results of the theoretical and practical research regarding the evaluation of the explosion risk specific to the activity of preparation/storage activity of the ANFO type explosive mixture, based on the identification and systematic analysis of the potential dangers that can generate explosion events, in order to establish and substantiate the possible accidents main scenarios, as well as reference scenarios. From a structural point of view, each accident scenario, defined at the level of the industrial site analyzed, is configured procedurally in synthetic form, compris

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13

Calvari, Sonia, Flora Giudicepietro, Federico Di Traglia, Alessandro Bonaccorso, Giovanni Macedonio, and Nicola Casagli. "Variable Magnitude and Intensity of Strombolian Explosions: Focus on the Eruptive Processes for a First Classification Scheme for Stromboli Volcano (Italy)." Remote Sensing 13, no. 5 (2021): 944. http://dx.doi.org/10.3390/rs13050944.

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Strombolian activity varies in magnitude and intensity and may evolve into a threat for the local populations living on volcanoes with persistent or semi-persistent activity. A key example comes from the activity of Stromboli volcano (Italy). The “ordinary” Strombolian activity, consisting in intermittent ejection of bombs and lapilli around the eruptive vents, is sometimes interrupted by high-energy explosive events (locally called major or paroxysmal explosions), which can affect very large areas. Recently, the 3 July 2019 explosive paroxysm at Stromboli volcano caused serious concerns in th

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14

Newton, Robert U., William J. Kraemer, Keijo Häkkinen, Brendan J. Humphries, and Aron J. Murphy. "Kinematics, Kinetics, and Muscle Activation during Explosive Upper Body Movements." Journal of Applied Biomechanics 12, no. 1 (1996): 31–43. http://dx.doi.org/10.1123/jab.12.1.31.

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The aim of this study was to investigate the kinematics, kinetics, and neural activation of the traditional bench press movement performed explosively and the explosive bench throw in which the barbell was projected from the hands. Seventeen male subjects completed three trials with a bar weight of 45% of the subject's previously determined 1RM. Performance was significantly higher during the throw movement compared to the press for average velocity, peak velocity, average force, average power, and peak power. Average muscle activity during the concentric phase for pectoralis major, anterior d

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15

Kuswandarto, Hery, Muhamad Hendrasto, and Masato Iguchi. "Automatic and Real-time Processing of Tilt Records for Prediction of Explosions at Semeru Volcano, East Java, Indonesia." Indonesian Journal of Physics 19, no. 3 (2016): 69–74. http://dx.doi.org/10.5614/itb.ijp.2008.19.3.2.

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Eruptive activity of Semeru Volcano, East Java, Indonesia, is characterized by intermittent occurrence of strombolian and vulcanian types in intervals of 15 – 45 minutes. The explosive eruptions accompany explosion earthquakes and tilt changes of ground around the summit crater. Prior to the explosions (16 – 300 s before), gradual upward tilts of the crater side were detected with amounts of 0.3 – 20 nrad. The upward tilts turned to downward after start of explosive eruptions and tilt decreased by 0.7 – 50 nrad for 30 – 70 s. In order to detect the precursory tilt changes in real time automati

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16

Gołaś, Artur, Adam Maszczyk, Adam Zajac, Kazimierz Mikołajec, and Petr Stastny. "Optimizing post activation potentiation for explosive activities in competitive sports." Journal of Human Kinetics 52, no. 1 (2016): 95–106. http://dx.doi.org/10.1515/hukin-2015-0197.

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Abstract Post activation potentiation (PAP) has shown improved performance during movements requiring large muscular power output following contractions under near maximal load conditions. PAP can be described as an acute enhancement of performance or an enhancement of factors determining an explosive sports activity following a preload stimulus. In practice, PAP has been achieved by complex training, which involves a combination of a heavy loaded exercise followed by a biomechanically similar explosive activity, best if specific for a particular sport discipline. The main objective of this st

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17

Umarov, Farkhodbek, Utkir Nasirov, Gafur Nutfulloev, Zoir Nazarov, and Lazizzhon Sharipov. "Improving the efficiency of tunneling underground mine workings with the use of blasthole charges with Munroe effect." Izvestiya vysshikh uchebnykh zavedenii Gornyi zhurnal, no. 3 (May 14, 2020): 15–23. http://dx.doi.org/10.21440/0536-1028-2020-3-15-23.

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Introduction. Various techniques of breaking rock by explosion have currently been developed when tunneling underground mine workings, but asymmetrically directed stress fields application is of the main interest. Research aim is to study explosion energy distribution and maximum concentration deep down the blasted rock mass. Blast energy concentration may be achieved by using the principle of cumulation in the hole back by means of changing the design of the blasthole explosive charge. Methodology. Based on the analyzed literature and theoretical research it is recommended to use the design o

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18

BRYAN, S. E., J. MARTÍ, and R. A. F. CAS. "Stratigraphy of the Bandas del Sur Formation: an extracaldera record of Quaternary phonolitic explosive eruptions from the Las Cañadas edifice, Tenerife (Canary Islands)." Geological Magazine 135, no. 5 (1998): 605–36. http://dx.doi.org/10.1017/s0016756897001258.

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Explosive volcanism has dominated the large phonolitic shield volcano of Tenerife, the Las Cañadas edifice, for the last 1.5 m.y. Pyroclastic deposits of the Bandas del Sur Formation are exposed along the southern flanks, and record the last two of at least three long-term cycles of caldera-forming explosive eruptions. Each cycle began with flank fissure eruptions of alkali basalt lava, followed by minor eruptions of basanite to phonotephrite lavas. Minor phonotephritic to phonolitic lava effusions also occurred on the flanks of the edifice during the latter stages of the second explosive cycl

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19

Cannata, A., P. Montalto, and D. Patanè. "Joint analysis of infrasound and seismic signals by cross wavelet transform: detection of Mt. Etna explosive activity." Natural Hazards and Earth System Sciences 13, no. 6 (2013): 1669–77. http://dx.doi.org/10.5194/nhess-13-1669-2013.

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Abstract. The prompt detection of explosive volcanic activity is crucial since this kind of activity can release copious amounts of volcanic ash and gases into the atmosphere, causing severe dangers to aviation. In this work, we show how the joint analysis of seismic and infrasonic data by wavelet transform coherence (WTC) can be useful to detect explosive activity, significantly enhancing its recognition that is normally done by video cameras and thermal sensors. Indeed, the efficiency of these sensors can be reduced (or inhibited) in the case of poor visibility due to clouds or gas plumes. I

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20

Samodelkin, Aleksandr, Sergey Timofeev, and Aslanbek Takov. "Initial and Subsequent Operational-Search Measures in Solving Crimes in the Sphere of Illegal Trafficking of Explosives and Explosive Devices." Baikal Research Journal 15, no. 4 (2024): 1455–65. https://doi.org/10.17150/2411-6262.2024.15(4).1455-1465.

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This article examines current problems faced by criminal investigation units when conducting operational-search activities to solve crimes related to the illegal trafficking of explosives and explosive devices. The authors came to the conclusion that the successful detection of crimes in this area depends on the implementation of a set of operational-search activities, including the detection of signs of crimes, identification of the perpetrators and the application of appropriate measures provided for by law. At the initial stages of the work of operational officers in solving crimes of the s

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21

Williams, Richard E., Deborah A. Rathbone, Peter C. E. Moody, Nigel S. Scrutton, and Neil C. Bruce. "Degradation of explosives by nitrate ester reductases." Biochemical Society Symposia 68 (August 1, 2001): 143–53. http://dx.doi.org/10.1042/bss0680143.

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Explosive-contaminated land poses a hazard both to the environment and to human health. Microbial enzymes, either in their native or heterologous hosts, are a powerful and low-cost tool for eliminating this environmental hazard. As many explosives have only been present in the environment for 10 years, and with similar molecules not known in Nature, the origin of enzymes specialized for the breakdown of explosives is of particular interest. Screening of environmental isolates resulted in the discovery of flavoproteins capable of denitrating the explosives pentaerythritol tetranitrate (PETN) an

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22

Shevtsov, Boris M., Pavel P. Firstov, Nina V. Cherneva, Robert H. Holzworth, and Renat R. Akbashev. "Lightning and electrical activity during the Shiveluch volcano eruption on 16 November 2014." Natural Hazards and Earth System Sciences 16, no. 3 (2016): 871–74. http://dx.doi.org/10.5194/nhess-16-871-2016.

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Abstract. According to World Wide Lightning Location Network (WWLLN) data, a sequence of lightning discharges was detected which occurred in the area of the explosive eruption of Shiveluch volcano on 16 November 2014 in Kamchatka. Information on the ash cloud motion was confirmed by the measurements of atmospheric electricity, satellite observations and meteorological and seismic data. It was concluded that WWLLN resolution is enough to detect the earlier stage of volcanic explosive eruption when electrification processes develop the most intensively. The lightning method has the undeniable ad

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23

Barba, Diego, Claude Robin, Pablo Samaniego, and Jean-Philippe Eissen. "Holocene recurrent explosive activity at Chimborazo volcano (Ecuador)." Journal of Volcanology and Geothermal Research 176, no. 1 (2008): 27–35. http://dx.doi.org/10.1016/j.jvolgeores.2008.05.004.

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24

Naranjo, José A., and Charles R. Stern. "Holocene explosive activity of Hudson Volcano, southern Andes." Bulletin of Volcanology 59, no. 4 (1998): 291–306. http://dx.doi.org/10.1007/s004450050193.

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25

Bud, Ioan, Mircea Goia, and Dorel Gușat. "Analysis of the Environmental Impact and Possibilities of its Reduction in the Case of the Blasting Works at Roșia Poieni Open PIT." Mining Revue 29, no. 1 (2023): 19–25. http://dx.doi.org/10.2478/minrv-2023-0002.

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Abstract The drilling and blasting operation represents an important component of the whole complex of operations specific to the activity of exploitation of mineral resources through explosives blasting, both economically and in terms of environmental impact. The extraction activity requires the preparation of a complex document called drilling and blasting monograph that includes the elements of the drilling design with the geometric characteristics of the location and the diameter of the boreholes, respectively the choice of the explosive and the sequencing method. The present paper represe

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26

Parfitt, E. A., and L. Wilson. "Explosive volcanic eruptions-IX. The transition between Hawaiian-style lava fountaining and Strombolian explosive activity." Geophysical Journal International 121, no. 1 (1995): 226–32. http://dx.doi.org/10.1111/j.1365-246x.1995.tb03523.x.

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27

Radeanu, Cristian, Gabriel Vasilescu, Ciprian Jitea, Ladislau Radermacher, and Gabriel Ilcea. "Analysis of dangerous situations generated by explosive materials in non-compliant operations performed on industrial locations intended for their storage." MATEC Web of Conferences 373 (2022): 00046. http://dx.doi.org/10.1051/matecconf/202237300046.

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Design and efficient implementation of OSH management in the field of explosives for civilian use, having the effect of optimizing the activity of preventing unwanted events blast type specific to industrial locations intended for the preparation / storage of explosives for civil use, constitutes it explosion risk assessment which represents the integrated expression of the configuration components of this type of risk within the different accident scenarios. No matter what it's about a component within the location or his integral technical infrastructure such an analysis allows the identific

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28

Cole, Paul D., Annamaria Perrotta, and Claudio Scarpati. "The volcanic history of the southwestern part of the city of Naples." Geological Magazine 131, no. 6 (1994): 785–99. http://dx.doi.org/10.1017/s0016756800012863.

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AbstractThe southwestern part of Naples was the site of small volume volcanic activity prior to 12000 y B.P. Lava domes and possibly a lava flow were erupted during the earliest period. Explosive activity followed and produced pyroclastic sequences that are the proximal deposits of tuff cones within the city and at its southwestern extreme. The explosive activity was complex but predominantly phreatomagmatic. As the volcanic activity more than 12000 y B.P. in western Campi Flegrei shows a similar evolution from effusive to explosive, it is suggested that a large volcanic field ‘Paleoflegrei’,

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Degterev, A. V., and M. V. Chibisova. "Volcanic activity of the Kuril Islands in 2020–2021." Geosystems of Transition Zones 6, no. 3 (2022): 195–205. http://dx.doi.org/10.30730/gtrz.2022.6.3.195-205.

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The data on volcanic activity in the Kuril Islands during 2020–2021 are presented. The activity of Ebeko (Paramushir Island), Chirinkotan (Chirinkotan Island) and Sarychev Peak (Matua Island) volcanoes is characterized on the basis of satellite data and results of visual observations. In 2020–2021 a weak (to moderate) explosive eruption (VEI 1-2), which has begun in autumn 2016, continued on Ebeko volcano. During the period under review, at least 1169 emissions were recorded at a height of 1.5–3 (up to 5) km a.s.l. In the interval from May till July, a sharp increase in the explosive activity

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Degterev, A. V., and M. V. Chibisova. "The activity of Chikurachki volcano (Paramushir Isl., Northern Kuriles) in January–February of 2022." Geosystems of Transition Zones 6, no. 1 (2022): 13–23. http://dx.doi.org/10.30730/gtrz.2022.6.1.013-018.018-023.

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The article considers a short-term moderate explosive eruption of Chikurachki volcano (Paramushir Isl.) on the basis of satellite data. In the period from January 30 to February 3, 2022, at least 8 steam-gas and ash emissions to a height of 2.5–5 km a.s.l. were recorded. Ash plumes and clouds spread mainly in the south-western, western, southern, and south-eastern directions at a distance up to 250 km from the volcano. Its parameters were similar to the previous explosive eruptions of Chikurachki volcano. Due to high frequency of moderate explosive eruptions of Chikurachki volcano in recent ye

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31

Girina, O. A., A. G. Manevich, D. V. Melnikov, A. A. Nuzhdaev, and E. G. Petrova. "2016 volcano eruptions in Kamchatka and the Northern Kuriles and their danger to aviation." Вулканология и сейсмология, no. 3 (May 14, 2019): 34–48. http://dx.doi.org/10.31857/s0203-03062019334-48.

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Strong explosive volcanic eruptions are extremely dangerous to the modern jet aircraft as they can produce several cubic kilometers of volcanic ash and aerosols that can be sent to the atmosphere and the stratosphere in several hours to several days during the eruption. In 2016, five from thirty active volcanoes erupted in Kamchatka (Sheveluch, Klyuchevskoy, Bezymianny, Karymsky, and Zhupanovsky) and three from six active volcanoes in the Northern Kuriles (Alaid, Ebeko, and Chikurachki). Effusive volcanic activity was noted at Sheveluch, Klyuchevskoy, Bezymianny and Alaid. All the volcanoes pr

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Girina, O. A., A. G. Manevich, D. V. Melnikov, A. A. Nuzhdaev, and E. G. Petrova. "2016 volcano eruptions in Kamchatka and the Northern Kuriles and their danger to aviation." Вулканология и сейсмология, no. 3 (May 14, 2019): 34–48. http://dx.doi.org/10.31857/s0205-96142019334-48.

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Strong explosive volcanic eruptions are extremely dangerous to the modern jet aircraft as they can produce several cubic kilometers of volcanic ash and aerosols that can be sent to the atmosphere and the stratosphere in several hours to several days during the eruption. In 2016, five from thirty active volcanoes erupted in Kamchatka (Sheveluch, Klyuchevskoy, Bezymianny, Karymsky, and Zhupanovsky) and three from six active volcanoes in the Northern Kuriles (Alaid, Ebeko, and Chikurachki). Effusive volcanic activity was noted at Sheveluch, Klyuchevskoy, Bezymianny and Alaid. All the volcanoes pr

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Pioli, Laura, Marco Palmas, Boris Behncke, Emanuela De Beni, Massimo Cantarero, and Simona Scollo. "Quantifying Strombolian Activity at Etna Volcano." Geosciences 12, no. 4 (2022): 163. http://dx.doi.org/10.3390/geosciences12040163.

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Understanding the dynamics of mild explosive activity is a fundamental tool for hazard assessment at open conduit volcanoes. This is a particularly critical task for Etna volcano. Etna is in fact characterized by frequent, mild explosive activity, punctuated by lava flows and paroxysmal events (‘lava fountains’), which, because of their greater impact, have been the main target for hazard studies, whereas more frequent Strombolian activity has been overlooked. As a result, their impact and associated hazards have been never quantified, despite the extensive monitoring and surveillance activiti

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Degterev, A. V., and M. V. Chibisova. "Volcanic activity on the Kuril Islands in 2022." Geosystems of Transition Zones 7, no. 4 (2023): 427–38. http://dx.doi.org/10.30730/gtrz.2023.7.4.427-438.

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In 2022, volcanic activity in the Kuril Islands was increased. Alaid (Atlasov Island), Ebeko, Chikurachki (Paramushir Island) and Chirinkotan volcanoes (Chirinkotan Island, Northern Kuriles) were erupting. A summit effusive-explosive eruption occurred on the Alaid volcano from September till December: two lava flows 2.6 and 1 km long erupted along the southern slope of the volcano and at least 15 explosions occurred to a height of 2.5 to 6 km a.s.l. Ebeko Volcano, which has been dormant since December 2021, in June 2022 resumed the intense volcanic activity characteristic for recent years, cha

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35

Gapparov, Z., and J. Ishtaev. "Development of Explosive Psychomotor and Personal Activity of Sportsmen." Advanced Science Journal 2014, no. 3 (2014): 42–44. http://dx.doi.org/10.15550/asj.2014.03.042.

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36

Doyle, J. G., B. Ishak, I. Ugarte-Urra, P. Bryans, and H. P. Summers. "Evidence for explosive event activity originating in the chromosphere." Astronomy & Astrophysics 439, no. 3 (2005): 1183–89. http://dx.doi.org/10.1051/0004-6361:20053099.

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37

Degterev, A. V., and M. V. Chibisova. "Explosive activity of Chikurachki volcano in January–February of 2023 (Paramushir Island, Northern Kuril Islands)." Geosystems of Transition Zones 7, no. 2 (2023): 212–18. http://dx.doi.org/10.30730/gtrz.2023.7.2.212-218.

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The first information about the eruption of Chikurachki volcano in 2023 (Paramushir Island, Northern Kuril Islands) obtained on the basis of satellite and visual data is presented. In the period from January 28 to February 8, 2023, another explosive eruption of Chikurachki volcano, which in its nature was similar to the previous five episodes of explosive activity of the volcano that occurred throughout 2022. The volcano activity was characterized by the manifestation of moderate volcanic activity: both separate explosions and phases of a relatively calm and prolonged (several hours) emission

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38

Degterev, A. V. "Late Holocene explosive activity of the Atsonupuri volcano (Iturup Island, Southern Kuril Islands): preliminary results." Geosystems of Transition Zones 9, no. 1 (2025): 73–91. https://doi.org/10.30730/gtrz.2025.9.1.073-091.

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The first results of the study of Late Holocene activity of the Atsonupuri volcano (Iturup Island, Southern Kuril Islands) obtained during field work in 2013–2014 are presented. On the basis of tephrochronological studies and radiocarbon dating, it was established that at least 4 large explosive (explosive-effusive) eruptions (individual major eruptions or series of eruptions close in time) were recorded in the interval 1400–800 years ago. The period of intense explosive activity of the volcano was followed by a period of quiescence beginning around 500–600 BP and continuing to the present, as

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Unguras, Camelia Lavinia, Doru Anghelache, Victor Gabriel Vasilescu, Florian Stoian, and Gabriel Ioan Ilcea. "The generalized risk scale – a scalar integrated tool for developing risk criteria by consensus, in the field of explosives for civil uses." MATEC Web of Conferences 305 (2020): 00078. http://dx.doi.org/10.1051/matecconf/202030500078.

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The paper highlights the result of the critical analysis upon criteria regarding the safety of explosives based on the quantification of risks specific for handling explosive materials, for the proper criteria selection and for defining the integrated concept “how safe is safe enough?”, applicable to complex work systems whose activity object involves the use of hazardous substances such as explosives for civil use. In this regard are conceptual and applicative presented judicial precedents and standards which are used for establishing risk acceptance criteria. These data and information are r

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Тобратов, С. А., О. С. Железнова, and А. В. Водорезов. "Natural Cyclicity of Explosive Volcanism." Вестник Рязанского государственного университета имени С.А. Есенина, no. 1(74) (April 1, 2022): 138–69. http://dx.doi.org/10.37724/rsu.2022.74.1.013.

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Рассмотрены причины, факторы и закономерности пульсаций вулканической активности (для извержений с VEI не менее 5, без учета вулканов со щелочными лавами). Установлено соответствие эксплозивных событий 1650-летним (ритмы Петтерсона — Шнитникова) и 60–70-летним циклам природной динамики, порождаемым гравитационными взаимодействиями Земли со смежными объектами Солнечной системы (Луной, Солнцем, Венерой, Юпитером). Отмечено, что максимальные по магнитуде извержения концентрируются на стыках смежных циклов; данная закономерность может иметь прогностическое значение. Обоснование вулкано-климатическ

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G.A., Gilev, Zino G., Rumyantsev S.V., and Rumyantsevа S.V. "IMPROVEMENT OF MUSCLE ACTIVITY METABOLISM WHEN PERFORMING IMPACT TECHNIQUES IN JUDO." ИННОВАЦИОННЫЕ НАУЧНЫЕ ИССЛЕДОВАНИЯ 2023. 3-2(27) (April 17, 2023): 74–81. https://doi.org/10.5281/zenodo.7834921.

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The aim of the study was to increase the level of explosive strength and speed-strength endurance of a judoist under the influence of a combination of intense and extensive exercises with a practically unchanged concentration of lactic acid in the blood. It has been shown that the use of alternating series of judo strikes with the maximum manifestation of explosive strength with movements in the same coordination, performed in the aerobic zone of intensity, leads to the development of the power of strikes while improving the metabolic processes of energy supply of motor actions. At the same ti

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Šarabon, Nejc, Jurij Hostnik, and Goran Markovic. "Acute effects of aerobic activity, static stretching, and explosive exercises on muscular performance and range of motion of young soccer players." International Journal of Sports Science & Coaching 15, no. 5-6 (2020): 706–16. http://dx.doi.org/10.1177/1747954120942895.

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The current study aims to investigate the acute effects of light aerobic activity, static stretching (SS), strengthening and explosive exercises on lower-body muscular performance and range of motion (ROM). Dose-response effect of SS on performance and ROM was also studied. Nineteen young male soccer players (age: 13.9 ± 0.46 years) participated in a cross-over randomized trial. Participants performed 5-minute aerobic activity, followed by seven bouts of SS of calf, quadriceps, adductor and hamstring muscles lasting 20 seconds each. Additionally, two sets of strengthening and explosive exercis

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Audina, Anggi, Dewi Maya Sary, Awansyah Putra Karo Purba, and Bebi Putra Sentosa Halawa. "Long Jump Ability: Analyze of Leg Explosive Power and Running Speed for Junior High School Students." INSPIREE: Indonesian Sport Innovation Review 5, no. 02 (2024): 47–53. http://dx.doi.org/10.53905/inspiree.v5i02.129.

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The purpose of the study. aims to determine the contribution of leg explosive power and running speed to long jump ability. Materials and methods. a research sample of 30 male students. Measurement of leg explosive power is determined by the ability to jump long without starting (standing broad jump). Running speed measurements are determined by running a sample distance of 30 meters. Measurement of long jump ability is determined by a sample of jumping as far as possible in the jumping. Results. The results showed that leg explosive power, leg length and running speed contributed to long jump

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Revia, Oktaviani, Purnawan Candra Krishna, and Asrul. "Application of Response Surface Methodology in Optimization of used Engine Oil for Burden Blasting and its Environmental Impact: A Case Study at the Sangatta Site of PT Kaltim Prima Coal." International Journal of Innovative Science and Research Technology 8, no. 1 (2023): 745–52. https://doi.org/10.5281/zenodo.7588060.

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PT. Kaltim Prima Coal Sangatta is a coal mining company that uses heavy equipment in Overburden removal activity. Heavy types of equipment use oil engines as engine lubricating fluid which is limited by its usage time, when the engine oil's useful life has been reached, the engine oil is drained and some of it is used as a mixture for explosives, a substitute for diesel fuel. This study will analyze historical data on the impact of blasting activities using used engine oil from heavy equipment, on operations and the environment using Response Surface Methodology, in the form of Ground Vibr

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Lappo, I., Ye Biriukov, O. Zhurakhov, and Yu Dobryshkin. "MINE ACTION CENTER: MAIN ASPECTS OF ACTIVITY AND DEVELOPMENT PROSPECTS." Наукові праці Державного науково-дослідного інституту випробувань і сертифікації озброєння та військової техніки 15, no. 1 (2023): 74–80. http://dx.doi.org/10.37701/dndivsovt.15.2023.10.

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Statement of the Problem. Ukraine is one of the ten countries with the most explosive contaminated territory, and this situation tends to worsen due to the scale of military operations and the use of so-called “mine warfare” tactics. Therefore, the сreation of an effective mine action system, taking into account the needs of safe demining of the territory of Ukraine from explosive objects, is a priority task at the national level. Analysis of recent research and publications. The analysis of professional literature has shown that the issues of creating an effective mine action system, im

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Pistolesi, Marco, Antonella Bertagnini, Alessio Di Roberto, Maurizio Ripepe, and Mauro Rosi. "Tsunami and tephra deposits record interactions between past eruptive activity and landslides at Stromboli volcano, Italy." Geology 48, no. 5 (2020): 436–40. http://dx.doi.org/10.1130/g47331.1.

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Abstract Devastation associated with tsunamis is well known on the global scale. Flank collapse at volcanic islands is among the mechanisms triggering tsunamis, but very few examples document interaction between landslides and volcanic activity. The study of three well-preserved medieval tsunami deposits recently discovered along the coast of Stromboli volcano (Aeolian Islands, southern Italy) enabled a detailed characterization of the tsunami sequences intercalated with volcaniclastic deposits and primary tephra and allowed reconstruction of the likely sequence of volcanic events. In one case

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Baguet, Audrey, Inge Everaert, Benito Yard, et al. "Does low serum carnosinase activity favor high-intensity exercise capacity?" Journal of Applied Physiology 116, no. 5 (2014): 553–59. http://dx.doi.org/10.1152/japplphysiol.01218.2013.

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Given the ergogenic properties of β-alanyl-L-histidine (carnosine) in skeletal muscle, it can be hypothesized that elevated levels of circulating carnosine could equally be advantageous for high-intensity exercises. Serum carnosinase (CN1), the enzyme hydrolyzing the dipeptide, is highly active in the human circulation. Consequently, dietary intake of carnosine usually results in rapid degradation upon absorption, yet this is less pronounced in subjects with low CN1 activity. Therefore, acute carnosine supplementation before high-intensity exercise could be ergogenic in these subjects. In a cr

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Mangler, Martin F., Chiara Maria Petrone, and Julie Prytulak. "Magma recharge patterns control eruption styles and magnitudes at Popocatépetl volcano (Mexico)." Geology 50, no. 3 (2022): 366–70. http://dx.doi.org/10.1130/g49365.1.

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Abstract Diffusion chronometry has produced petrological evidence that magma recharge in mafic to intermediate systems can trigger volcanic eruptions within weeks to months. However, less is known about longer-term recharge frequencies and durations priming magma reservoirs for eruptions. We use Fe-Mg diffusion modeling in orthopyroxene to show that the duration, frequency, and timing of pre-eruptive recharge at Popocatépetl volcano (Mexico) vary systematically with eruption style and magnitude. Effusive eruptions are preceded by 9–13 yr of increased recharge activity, compared to 15–100 yr fo

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Eroshenko, D. V., and G. S. Kharin. "Cyclic explosive activity of the Iceland plume in the quaternary." Oceanology 54, no. 1 (2014): 66–80. http://dx.doi.org/10.1134/s0001437014010032.

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Bennett, Kristen A., Briony H. N. Horgan, Lisa R. Gaddis, et al. "Complex explosive volcanic activity on the Moon within Oppenheimer crater." Icarus 273 (July 2016): 296–314. http://dx.doi.org/10.1016/j.icarus.2016.02.007.

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