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Journal articles on the topic 'Seismic hazard parameters'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Orlecka-Sikora, Beata, and Stanislaw Lasocki. "Interval Estimation of Seismic Hazard Parameters." Pure and Applied Geophysics 174, no. 3 (2016): 779–91. http://dx.doi.org/10.1007/s00024-016-1419-4.

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Orlecka-Sikora, Beata, and Stanislaw Lasocki. "Interval Estimation of Seismic Hazard Parameters." Pure and Applied Geophysics 174 (November 1, 2016): 779–91. https://doi.org/10.1007/s00024-016-1419-4.

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The paper considers Poisson temporal occurrence of earthquakes and presents a way to integrate uncertainties of the estimates of mean activity rate and magnitude cumulative distribution function in the interval estimation of the most widely used seismic hazard functions, such as the exceedance probability and the mean return period. The proposed algorithm can be used either when the Gutenberg–Richter model of magnitude distribution is accepted or when the nonparametric estimation is in use. When the Gutenberg–Richter model of magnitude distribution is used the interval estimation o

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3

Somerville, Paul. "Seismic hazard evaluation." Bulletin of the New Zealand Society for Earthquake Engineering 33, no. 3 (2000): 371–86. http://dx.doi.org/10.5459/bnzsee.33.3.371-386.

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This paper reviews concepts and trends in seismic hazard characterization that have emerged in the past decade, and identifies trends and concepts that are anticipated during the coming decade. New methods have been developed for characterizing potential earthquake sources that use geological and geodetic data in conjunction with historical seismicity data. Scaling relationships among earthquake source parameters have been developed to provide a more detailed representation of the earthquake source for ground motion prediction. Improved empirical ground motion models have been derived from a s

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Pourmohammad, Fereshteh, Mehdi Zare, Arezoo Dorostian, and Bahram Akasheh. "Seismic hazard and seismicity parameters in southwestern Alborz." Nexo Revista Científica 34, no. 02 (2021): 661–70. http://dx.doi.org/10.5377/nexo.v34i02.11550.

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Alborz Province is located west of Tehran Province on the South Alborz seismic belt. Geological and seismological analyses within a radius of 200 km from the center of Karaj identified five seismic zones and seven linear seismic sources. The maximum magnitude was calculated for the seismic zones using available correlations. The Kijko and Sellevoll (1992) method was used to calculate seismicity parameters, and the graphs of the return period and the probability frequency of recurrence of the earthquake magnitude in each zone were plotted for the 475-year return period. According to the calcula

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Ma, Yu Hong, Gui Feng Zhao, Jie Cui, and Ping Tan. "A Method of Determining Strengthening Design Ground-Motion Parameters for the Existing Building." Advanced Materials Research 163-167 (December 2010): 3443–47. http://dx.doi.org/10.4028/www.scientific.net/amr.163-167.3443.

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At present, seismic strengthening design reference period of the existing building is usually equal to 50 years in China, sometime this is uneconomic and unreasonable. In this paper, determining principle of seismic strengthening design reference period for the existing building with different importance is presented. The seismic strengthening design level of the existing building is put forward. After the shape factor of intensity probability distribution function is used to represent the seismic hazard characteristic of different areas, the seismic hazard curve formula of design acceleration

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Weatherill, Graeme A., and Laurentiu Danciu. "Regional variation of spectral parameters for seismic design from broadband probabilistic seismic hazard analysis." Earthquake Engineering & Structural Dynamics 47, no. 12 (2018): 2447–67. http://dx.doi.org/10.1002/eqe.3092.

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SummaryThe characterisation of the seismic hazard input is a critical element of any seismic design code, not only in terms of the absolute levels of ground motion considered but also of the shape of the design spectrum. In the case of Europe, future revisions of the seismic design provisions, both at a national and a pan‐European level, may implement considerable modifications to the existing provisions in light of recent seismic hazard models, such as the 2013 European Seismic Hazard Model. Constraint of the shape of the long‐period design spectrum from seismic hazard estimates on such a sca

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Azour, Hanane, Mohamed Mansoum, Mohamed Benmakhlouf, Yassine El Yousfi, Aboubakr Chaaraoui, and Said Benyoussef. "Urban planning characterization based on earthquake parameters for development: Case of the city of Al Hoceima, Morocco." E3S Web of Conferences 527 (2024): 02005. http://dx.doi.org/10.1051/e3sconf/202452702005.

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This article presents an analysis of the earthquake in Al Hoceima City through the combination of land use and seismic hazards. This study is based on a probabilistic analysis of the seismic hazard performed following an attenuation to predict the maximum ground acceleration at each square kilometer. The land use of the area was estimated using GIS tools with the Gaussian maximum likelihood integrated supervised analysis method on remote sensing data processed from Landsat images 8, and the distribution of the values of PGA (Peak Ground Acceleration) in Al Hoceima. The numerical values ranging

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Mutke, Grzegorz, Józef Dubiński, and Adam Lurka. "New Criteria to Assess Seismic and Rock Burst Hazard in Coal Mines / Nowe Kryteria Dla Oceny Zagrożenia Sejsmicznego I Tąpaniami W Kopalniach Węgla Kamiennego." Archives of Mining Sciences 60, no. 3 (2015): 743–60. http://dx.doi.org/10.1515/amsc-2015-0049.

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Abstract The paper presents new criteria of seismic and rock burst hazard assessment in Polish hard coal mines where longwall mining system is common practice. The presented criteria are based on the results of continuous recording of seismic events and analysis of selected seismological parameters: spatial location of seismic event in relation to mining workings, seismic energy, seismic energy release per unit coal face advance, b-value of Gutenberg-Richter law, seismic energy index EI, seismic moment M0, weighted value of peak particle velocity PPVW. These parameters are determined in a movi

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Liu, Xiao-Xiao, and Yuansheng Wang. "A Novel Seismic Risk Analysis Method for Structures with Both Random and Convex Set Mixed Variables: Case Study of a RC Bridge." Mathematical Problems in Engineering 2019 (January 3, 2019): 1–14. http://dx.doi.org/10.1155/2019/3613651.

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Assessing the demand hazards of structures is requested in the framework of performance-based earthquake engineering. An efficient method for estimating the seismic risk of structures is proposed in this paper. The relationship between multiple limit capacities and corresponding response parameters is denoted by using a generalized multidimensional limit state equation. The limit states of different components are described as random and convex mixed variables. The seismic responses of different components are considered dependent and follow a multidimensional lognormal distribution. The mathe

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10

Thant, Myo. "PROBABILISTIC SEISMIC HAZARD ASSESSMENT FOR YANGON REGION, MYANMAR." ASEAN Engineering Journal 3, no. 2 (2012): 117–31. http://dx.doi.org/10.11113/aej.v3.15529.

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According to the seismicity and the records of the previous considerably high magnitude earthquakes, Yangon Region can be regarded as the low to medium seismicity region. Moreover, tectonically the region is surrounded by the subduction zone between the Indian Plate and Burma Plate to the west and the right lateral Sagaing fault to the east. The most significant earthquake happened around this region is the Bago earthquake of 5th May, 1930 with the magnitude of 7.3. This earthquake caused 500 casualties and great destruction in Bago. However, considerable damage and 50 deaths were recorded in

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11

Zhou, Xiao Long, and Ying Min Li. "Study on Ground Motion Parameters of Seismic Appraisal for Existing Structures Based on Residual Service Life." Advanced Materials Research 368-373 (October 2011): 2303–8. http://dx.doi.org/10.4028/www.scientific.net/amr.368-373.2303.

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Research status of ground motion parameters of seismic appraisal for existing structures is analyzed. According to the theory of the probabilistic distribution of seismic intensity which fits Extreme Value Type Ш, the relation of multi-value seismic intensity to seismic basic intensity from different seismic hazard characteristic zone is studied in this paper. Under the principle of all the seismic actions of each fortification level have the same exceeding probability, the basic intensity for seismic assessment of buildings with different residual service lives is given to each zone. At last,

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Leptokaropoulos, Konstantinos, and Stanisław Lasocki. "SHAPE: A MATLAB Software Package for Time-Dependent Seismic Hazard Analysis." Seismological Research Letters 91, no. 3 (2020): 1867–77. http://dx.doi.org/10.1785/0220190319.

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Abstract Many seismic processes, in particular, those induced by technological activities for exploitation of georesources, are time dependent. The changes in time of the seismicity cause that the related seismic hazard changes in time as well. We present here the Seismic HAzard Parameters Evaluation (SHAPE) tool, which enables an assessment of the temporal changes of the mean return period (MRP) of a seismic event of a given magnitude and the exceedance probability (EP) of a given magnitude within a predefined time period. SHAPE is an open-source software package, written in MATLAB (see Data

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13

Moustafa, Sayed S. R., Mohamed H. Yassien, Mohamed Metwaly, Ahmad M. Faried, and Basem Elsaka. "A Unified Seismicity Catalog Development for Saudi Arabia: Multi-Network Fusion and Machine Learning-Based Anomaly Detection." Applied Sciences 14, no. 16 (2024): 7070. http://dx.doi.org/10.3390/app14167070.

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This investigation concentrates on refining the accuracy of earthquake parameters as reported by various Saudi seismic networks, addressing the significant challenges arising from data discrepancies in earthquake location, depth, and magnitude estimations. The application of sophisticated machine learning techniques, particularly the Isolation Forest algorithm, has markedly enhanced the precision in the estimation of seismicity parameters by effectively identifying and eliminating outliers and discrepancies. A newly developed and refined seismicity catalog was employed to accurately determine

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14

Tselentis, G.-A., and L. Danciu. "Probabilistic seismic hazard assessment in Greece – Part 1: Engineering ground motion parameters." Natural Hazards and Earth System Sciences 10, no. 1 (2010): 25–39. http://dx.doi.org/10.5194/nhess-10-25-2010.

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Abstract. Seismic hazard assessment represents a basic tool for rational planning and designing in seismic prone areas. In the present study, a probabilistic seismic hazard assessment in terms of peak ground acceleration, peak ground velocity, Arias intensity and cumulative absolute velocity computed with a 0.05 g acceleration threshold, has been carried out for Greece. The output of the hazard computation produced probabilistic hazard maps for all the above parameters estimated for a fixed return period of 475 years. From these maps the estimated values are reported for 52 Greek municipalitie

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15

Adelina Ginting, Rika, Muksin Umar, Abdi Jihad, and Andi Azhar Rusdin. "Seismic hazard assessment in Lhokseumawe: utilizing the deterministic seismic hazard analysis method." IOP Conference Series: Earth and Environmental Science 1510, no. 1 (2025): 012009. https://doi.org/10.1088/1755-1315/1510/1/012009.

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Abstract Lhokseumawe is known as an earthquake-prone area because it is traversed by the Lhokseumawe Active Fault. The existence of the Lhokseumawe Fault is the basis of seismic hazard studies in this region. Earthquake hazard analysis using the deterministic seismic hazard analysis (DSHA) method is one method that can be used in evaluating the potential seismic risk in the Lhokseumawe region. The main objective of the study was to identify the significant seismic sources associated with ground shaking levels that could impact Lhokseumawe. The study began by reviewing historical earthquake dat

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16

Tang, Li Hua, Shan You Li, and Jian Bo Chen. "Discussion on Ground Motion Parameters of JiYin Hydraulic Project." Applied Mechanics and Materials 405-408 (September 2013): 2151–56. http://dx.doi.org/10.4028/www.scientific.net/amm.405-408.2151.

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JiYin hydraulic project is located at the branch of Keliya River, Yutian county of Xinjiang. During the stage of its planning and design, a magnitude 7.3 earthquake occurred 43km away from the southeast of the dam. As the earthquake was in the southeastern part of Altyn Tagh Fault which was recognized in the past as a low seismicity segment, the cognition about seismic surroundings had changed totally. Based on comparison between the two seismic safety evaluations on JiYin before and after the earthquake, epistemic uncertainties in probabilistic seismic hazard assessments have a significant ef

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17

Rabinowitz, Nitzan, and David M. Steinberg. "Seismic hazard sensitivity analysis: A multi-parameter approach." Bulletin of the Seismological Society of America 81, no. 3 (1991): 796–817. http://dx.doi.org/10.1785/bssa0810030796.

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Abstract We propose a novel multi-parameter approach for conducting seismic hazard sensitivity analysis. This approach allows one to assess the importance of each input parameter at a variety of settings of the other input parameters and thus provides a much richer picture than standard analyses, which assess each input parameter only at the default settings of the other parameters. We illustrate our method with a sensitivity analysis of seismic hazard for Jerusalem. In this example, we find several input parameters whose importance depends critically on the settings of other input parameters.

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18

Serebrennikov, S. P., V. I. Dzhurik, and E. V. Bryzhak. "BASIC PARAMETERS OF SEISMIC GROUND PROPERTIES FOR SEISMIC HAZARD PREDICTION IN TRANSBAIKALIA." Успехи современного естествознания (Advances in Current Natural Sciences), no. 1 2022 (2022): 36–43. http://dx.doi.org/10.17513/use.37767.

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19

Harith, Noor Sheena Herayani, Felix Tongkul, and Azlan Adnan. "Seismic Hazard Curve as Dynamic Parameters in Earthquake Building Design for Sabah, Malaysia." Buildings 13, no. 2 (2023): 318. http://dx.doi.org/10.3390/buildings13020318.

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This paper presents the significance of a seismic hazard curve plot as a dynamic parameter in estimating earthquake-resistant structures. Various cases of structural damages in Malaysia are due to underestimating earthquake loadings since mostly buildings were designed without seismic loads. Sabah is classified as having low to moderate seismic activity due to a few active fault lines. Background point, area, and line sources are the three tectonic features that have impacted Sabah. Data on earthquakes from 1900 to 2021 have been collected by a number of earthquake data centers. The seismicity

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20

Nahar, Tahmina Tasnim, Md Motiur Rahman, and Dookie Kim. "PSHRisk-Tool: A Python-Based Computational Tool for Developing Site Seismic Hazard Analysis and Failure Risk Assessment of Infrastructure." Applied Sciences 10, no. 21 (2020): 7487. http://dx.doi.org/10.3390/app10217487.

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To quantify the annual probability of earthquake ground motion (GM) exceeding a given threshold, the extensively used method named by probabilistic seismic hazard analysis (PSHA) can be adopted. The PSHA software made this method more effortless for estimating earthquake hazards for a seismic site. The main motivation of the PSHRisk-tool is to evaluate the PSHA by a user-friendly graphical interface as well as identify the intensities of GM, which will contribute to the most vulnerable condition for the infrastructure. This python-code based tool can demonstrate the source identification, prob

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21

Heidebrecht, A. C. "Insights and challenges associated with determining seismic design forces in a loading code." Bulletin of the New Zealand Society for Earthquake Engineering 28, no. 3 (1995): 224–46. http://dx.doi.org/10.5459/bnzsee.28.3.224-246.

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    This paper presents and discusses a number of important topics which affect the determination of seismic design forces in a loading code. These range broadly from seismic hazard through to design philosophy and include the following aspects: influence of uncertainty in determining seismic hazard, seismic hazard parameters, site effects, probability level of design ground motions, role of deformations in seismic design, performance expectations and level of protection. The discussion makes frequent reference to the seismic provisions of both the National Building Cod

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22

Rollo, Fabio, and Sebastiano Rampello. "Probabilistic assessment of seismic-induced slope displacements: an application in Italy." Bulletin of Earthquake Engineering 19, no. 11 (2021): 4261–88. http://dx.doi.org/10.1007/s10518-021-01138-5.

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AbstractEarthquake-induced slope instability is one of the most important hazards related to ground shaking, causing damages to the environment and, often, casualties. Therefore, it is important to assess the seismic performance of slopes, especially in the near fault regions, evaluating the permanent displacements induced by seismic loading. This paper applies a probabilistic approach to evaluate the seismic performance of slopes using an updated database of ground motions recorded during the earthquakes occurred in Italy. The main advantage of this approach is that of accounting for the alea

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23

J.W. Pappin, R.C.H. Koo, M.W. Free, and H.H. Tsang. "Seismic Hazard of Hong Kong." Electronic Journal of Structural Engineering, no. 01 (March 28, 2008): 42–56. http://dx.doi.org/10.56748/ejse.8501.

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This paper reviews the probabilistic seismic hazard assessment studies undertaken in recent years to estimate the potential seismic ground motion levels on bedrock in Hong Kong. A detailed catalogue of historical and recent seismicity within the South China region has been compiled. A suite of published empirical and stochastic attenuation relationships have been used with alternative source models and source parameters in a logic tree hazard analysis. Uniform hazard bedrock ground-motion spectra having various probabilities of being exceeded in 50 years have been calculated. The results have

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SOMSA-ARD, NANTHAPORN, and SANTI PAILOPLEE. "SEISMIC HAZARD ANALYSIS FOR MYANMAR." Journal of Earthquake and Tsunami 07, no. 04 (2013): 1350029. http://dx.doi.org/10.1142/s1793431113500292.

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In this study, the seismic hazards of Myanmar are analyzed based on both deterministic and probabilistic scenarios. The area of the Sumatra–Andaman Subduction Zone is newly defined and the lines of faults proposed previously are grouped into nine earthquake sources that might affect the Myanmar region. The earthquake parameters required for the seismic hazard analysis (SHA) were determined from seismicity data including paleoseismological information. Using previously determined suitable attenuation models, SHA maps were developed. For the deterministic SHA, the earthquake hazard in Myanmar va

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Tarazona, Juan Carlos, Zenon Aguilar, Nelson Pulido, Carlos Gonzales, Fernando Lazares, and Hiroe Miyake. "Seismicity Based Maximum Magnitude Estimation of Subduction Earthquakes in Peru." Journal of Disaster Research 18, no. 4 (2023): 308–18. http://dx.doi.org/10.20965/jdr.2023.p0308.

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In seismic design, intensity parameters that represent seismic demand are commonly used. A probabilistic seismic hazard assessment is an accurate way of assessing seismic demand, based on a set of parameters that represent the seismicity of a region. However, because some regions lack sufficient information, the selection of these parameters can be controversial. In Peru, selecting a maximum earthquake magnitude (Mmax) for regional seismic hazard assessments has proven to be a challenging task due to the limited available information concerning of large-magnitude events. This study evaluated t

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Xie, Zhuo Juan, and Yue Jun Lu. "Determination of the Spatial Distribution Function of Bohai Seismic Tectonic Area." Advanced Materials Research 1065-1069 (December 2014): 1530–34. http://dx.doi.org/10.4028/www.scientific.net/amr.1065-1069.1530.

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The spatial distribution function assigns seismicity parameters of seismic zone and belt to the potential earthquake source area seismic by the magnitude interval, determination of the spatial distribution function is one of the key technologies to comprehensive probabilistic seismic hazard analysis methods, and the results will directly influence seismic hazard analysis results of the calculated sites. However, the spatial distribution functions are hard to get by statistics due to serious lack of seismic samples, and evaluation factors used in the actual work are too complex and not independ

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Poplawski, R. F. "Seismic parameters and rockburst hazard at Mt Charlotte mine." International Journal of Rock Mechanics and Mining Sciences 34, no. 8 (1997): 1213–28. http://dx.doi.org/10.1016/s1365-1609(97)80072-x.

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Rehman, Khaista, and Paul W. Burton. "Seismicity and seismic hazard parameters in and around Pakistan." Journal of Seismology 24, no. 3 (2020): 635–53. http://dx.doi.org/10.1007/s10950-020-09917-4.

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Garc�a-Fern�ndez, M., A. Kijko, and J. J. Egozcue. "Estimation of seismic hazard parameters in TERESA test areas." Natural Hazards 2, no. 3-4 (1989): 289–306. http://dx.doi.org/10.1007/bf00127318.

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McGuire, Robin K., C. Allin Cornell, and Gabriel R. Toro. "The Case for Using Mean Seismic Hazard." Earthquake Spectra 21, no. 3 (2005): 879–86. http://dx.doi.org/10.1193/1.1985447.

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Complete probabilistic seismic hazard analyses incorporate epistemic uncertainties in assumptions, models, and parameters, and lead to a distribution of annual frequency of exceedance versus ground motion amplitude (the “seismic hazard”). For decision making, if a single representation of the seismic hazard is required, it is always preferable to use the mean of this distribution, rather than some other representation, such as a particular fractile. Use of the mean is consistent with modern interpretations of probability and with precedents of safety goals and cost-benefit analysis.

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Zhan, Yunxin, Zhi Song, Dan Li, Lian Xue, and Tianju Huang. "A Seismic Landslide Hazard Assessment in Small Areas Based on Multilevel Physical and Mechanical Parameters: A Case Study of the Upper Yangzi River." Applied Sciences 15, no. 2 (2025): 777. https://doi.org/10.3390/app15020777.

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Many landslides triggered by earthquakes have caused a countless loss of life and property, therefore, it is very important to predict landslide hazards accurately. In this work, regional seismic landslide data were obtained via a field survey, remote sensing interpretation, and data collection, and a multilevel physical and mechanical parameter system for seismic landslide hazard assessment was established; this system included a landslide inventory, loose accumulation layers, and geological units, enabling higher accuracy in the data. The Newmark displacement model with a modified correlatio

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Ghimire, Sunita. "Probabilistic seismic hazard analysis of Nepal." Journal of Innovations in Engineering Education 2, no. 1 (2019): 199–206. http://dx.doi.org/10.3126/jiee.v2i1.36676.

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Probabilistic seismic hazard analysis for Nepal has been carried out considering uniform density model. A detailed earthquake catalogue since 1255 A.D, within the rectangular area has been developed and historical earthquakes are plotted in the map of Nepal. Five hundred twenty eight numbers of areal sources are used within the study area to characterize the seismic sources. The completeness of the data has been checked by using Stepp's procedure. Seismicity in four regions of study area has been evaluated by defining 'a' and 'b' parameters of Gutenberg Richter recurrence relationship. Seismic

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Pisarenko, V. F., A. A. Lyubushin, V. B. Lysenko, and T. V. Golubeva. "Statistical estimation of seismic hazard parameters: Maximum possible magnitude and related parameters." Bulletin of the Seismological Society of America 86, no. 3 (1996): 691–700. http://dx.doi.org/10.1785/bssa0860030691.

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Abstract The problem of statistical estimation of earthquake hazard parameters is considered. The emphasis is on estimation of the maximum regional magnitude, Mmax, and the maximum magnitude, Mmax(T), in a future time interval T and quantiles of its distribution. Two estimators are suggested: an unbiased estimator with the lowest possible variance and a Bayesian estimator. As an illustration, these methods are applied for the estimation of Mmax and related parameters in California and Italy.

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Terrier-Sedan, Monique, and Didier Bertil. "Active fault characterization and seismotectonic zoning of the Hispaniola island." Journal of Seismology 25, no. 2 (2021): 499–520. http://dx.doi.org/10.1007/s10950-021-09985-0.

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AbstractDesigning a seismic source model based on the most complete description of potentially active faults and on the kinematics of their latest movements is an essential requirement in seismic hazard studies, at regional and local scales. A study to characterize active faults in the Hispaniola island (today’s Haiti and Dominican Republic) has been conducted in the framework of the probabilistic seismic hazard assessment for Santo Domingo (capital of the Dominican Republic). In this work, we present a seismotectonic map of Hispaniola and its surroundings, based on a compilation and synthesis

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Fang, Dezhi, Yinfeng Dong, and Xiaoquan Xu. "Probabilistic seismic hazard analysis based on monthly maximum PGA distribution in three cities in southwest China." Vibroengineering Procedia 51 (October 20, 2023): 49–55. http://dx.doi.org/10.21595/vp.2023.23668.

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Probabilistic seismic hazard analysis is an important scientific basis for building seismic fortification. Unlike most seismic hazard analyses starting from the perspective of magnitude, this paper presents a seismic hazard analysis method based on the monthly maximum peak ground acceleration (PGA) distribution. In this paper, cities of Chongqing, Chengdu, and Kunming in southwest China are taken as examples where historical earthquake events from 1920 to 2020 with surface wave magnitude (Ms) greater than or equal to 3 and epicentral distances within 400 km are selected for analysis. PGA data

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Pan, Cheng Yu, Yuan Cheih Wu, and Chih Wei Chang. "Preliminary Volcanic Seismic Hazard Analysis for Tatun Volcano Group in Northern Taiwan." Applied Mechanics and Materials 479-480 (December 2013): 1061–65. http://dx.doi.org/10.4028/www.scientific.net/amm.479-480.1061.

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Tatun volcano group is located in north Taiwan and near Taipei Basin where several million people live there. Although it provides hot spring and landscape for citizens and keeps calm most of time, the threat remains, particularly for the two nearby nuclear power plants. This paper discusses the seismic hazard of volcanic seismic source including source characterization of Tatun volcano group, probabilistic seismic hazard analysis (PSHA), and its preliminary seismic hazard result. Based on nuclear regulatory requirement for PSHA, the uncertainties of source parameters are vital, such as geomet

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Pavel, Florin, and Robert Vladut. "Assessment of Liquefaction Hazard for Sites in Romania Using Empirical Models." Infrastructures 8, no. 9 (2023): 133. http://dx.doi.org/10.3390/infrastructures8090133.

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This paper is focused on the evaluation of the liquefaction hazard for different sites in Romania. To this aim, a database of 139 ground motions recorded during Vrancea intermediate-depth earthquakes having moment magnitudes MW ≥ 6.0 is employed for the evaluation of the equivalent number of cycles for this seismic source. Several functional forms for the empirical evaluation of the equivalent number of cycles considering various seismological or engineering parameters are tested and evaluated. The regression analysis shows smaller uncertainties for the empirical models based on ground motion

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Katona, Tamás János, and Zoltán Karsa. "Probabilistic Safety Analysis of the Liquefaction Hazard for a Nuclear Power Plant." Geosciences 12, no. 5 (2022): 192. http://dx.doi.org/10.3390/geosciences12050192.

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Liquefaction hazard safety is essential for operating nuclear power plants where the elimination of hazards via engineering measures is not practicable. For this, the core damage frequency should be evaluated via integration of the liquefaction hazard into the seismic probabilistic safety analysis. In the seismic probabilistic safety analysis, the maximum horizontal acceleration is used as the intensity measure and as the engineering demand parameter for a simple calculation of failure rates. According to the studies performed for the Paks Nuclear Power Plant, loss of emergency service water s

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Joshi, Niranjan, Björn Lund, and Roland Roberts. "Probabilistic seismic hazard assessment of Sweden." Natural Hazards and Earth System Sciences 24, no. 11 (2024): 4199–223. http://dx.doi.org/10.5194/nhess-24-4199-2024.

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Abstract. Assessing seismic hazard in stable continental regions such as Sweden poses unique challenges compared to active seismic regions. With diffuse seismicity, low seismicity rate, few large-magnitude earthquakes and little strong-motion data, estimating recurrence parameters and determining appropriate attenuation relationships is challenging. This study presents a probabilistic seismic hazard assessment of Sweden based on a recent earthquake catalogue, which includes a high number of events with magnitudes ranging from Mw −1.4 to Mw 5.9, enabling recurrence parameters to be calculated f

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Agrawal, Navdeep, Laxmi Gupta, and Jagabandhu Dixit. "Assessment of the Socioeconomic Vulnerability to Seismic Hazards in the National Capital Region of India Using Factor Analysis." Sustainability 13, no. 17 (2021): 9652. http://dx.doi.org/10.3390/su13179652.

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The seismicity of the National Capital Region (NCR) of India increased significantly over the last decade. Communities in the NCR face significant exposure to damaging seismic events, and the seismic risk arises not only from the region’s proximity to the Himalayan mountains, but also from the socioeconomic vulnerabilities in its communities and the current capacities of different localities to respond to and recover from any unforeseen large seismic event. GIS-based spatial distribution of exposure to seismic hazards (SH) can help decision-makers and authorities identify locations with popula

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Zhang, Xiaoxuan, Guangsheng Zhao, and Xiaojing Niu. "AN APPROACH FOR PROBABILISTIC TSUNAMI HAZARD ASSESSMENT AND APPLICATION TO SOUTHERN COASTAL AREAS OF CHINA." Coastal Engineering Proceedings, no. 36v (December 28, 2020): 4. http://dx.doi.org/10.9753/icce.v36v.currents.4.

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Seismic tsunami poses risks to many coast areas. Strong earthquakes in the area of Manila Trench may produce large-scale seismic tsunamis in South China Sea. This study aims to conduct PTHA (Probabilistic Tsunami Hazard Assessment) for the southern coastal areas of China. Several methods have already been developed to carry out PTHA, e.g. Geist & Parsons, (2006). However, there are multiple seismic parameters that affect the scale of seismic tsunamis, and those parameters are with strong uncertainties. For accurately assessing the tsunami hazard, a large number of scenarios are inevitably

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Nayak, Monalisha, T. G. Sitharam, and Sreevalasa Kolathayar. "A Revisit to Seismic Hazard at Uttarakhand." International Journal of Geotechnical Earthquake Engineering 6, no. 2 (2015): 56–73. http://dx.doi.org/10.4018/ijgee.2015070104.

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This paper presents the seismic hazard of the state of Uttarakhand in India, located at the foothills of the seismically active Himalayan mountain ranges. In the present study, an updated catalog of earthquakes has been prepared for Uttarakhand which was homogenized into a unified moment magnitude scale after declustering of the catalog to remove aftershocks and foreshocks. Various source zones were identified in the study area to account for local variability in seismicity characteristics. The seismicity parameters were estimated for each of these source zones, which are necessary inputs into

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FATEMI, A. A., A. BAGHERI, G. GHODRATI AMIRI, and M. GHAFORY-ASHTIANY. "GENERATION OF UNIFORM HAZARD EARTHQUAKE ACCELEROGRAMS AND NEAR-FIELD GROUND MOTIONS." Journal of Earthquake and Tsunami 06, no. 02 (2012): 1250013. http://dx.doi.org/10.1142/s1793431112500133.

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The sets of records developed for the SAC Steel Project are classified according to the level of seismic hazard and specific geographic region, and have been used extensively for structural response and seismic hazard analyses. This study presents a parametric analysis of these record data sets for generation of uniform hazard earthquake and near-field records. The record parameters define far-field characteristics such as power spectral density and envelope function, and near-field effects such as acceleration pulse, power spectral density and envelope function. The proposed method for genera

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Quintela-del-RÃo, A. "On non-parametric techniques for area-characteristic seismic hazard parameters." Geophysical Journal International 180, no. 1 (2010): 339–46. http://dx.doi.org/10.1111/j.1365-246x.2009.04410.x.

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Suleyev, D. K., N. B. Uzbekov, A. B. Sadykova,, N. V. Silacheva, and N. P. Stepanenko. "RECOMMENDATIONS ON THE DEVELOPMENT OF PROBABILITY MAPS OF SEISMIC ZONING OF THE TERRITORY OF KAZAKHSTAN BASED ON MODERN METHODOLOGY." NEWS of National Academy of Sciences of the Republic of Kazakhstan 6, no. 444 (2020): 236–44. http://dx.doi.org/10.32014/2020.2518-170x.152.

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Minimization of fatalities, material damage, and socio-economic destruction due to earthquakes depends on reliable estimates of seismic hazard. The paper presents the methodological foundations of seismic hazard assessment developed for Kazakhstan, the basic requirements and the list of work required to carry out seismic zoning of territories at different scale levels – general, detailed and microzoning. They were tested during the creation of Maps of General Seismic Zoning of the Territory of Kazakhstan, which were included in regulatory documents in 2017 and Maps of Seismic Microzoning of Al

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Juellyan, Juellyan, Bambang Setiawan*, Muttaqin Hasan, and Taufiq Saidi. "Quantifying the Seismicity Parameters of A New Model of Seismic Source Zone for Aceh and Surrounding Areas." Aceh International Journal of Science and Technology 11, no. 3 (2023): 210–19. http://dx.doi.org/10.13170/aijst.11.3.28360.

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Aceh is justified as one of the Indonesian provinces with a high level of seismicity. This high seismicity certainly has a severe negative impact on various aspects of human life in Aceh and the surrounding areas. Various types of efforts must be carried out to solve and mitigate the problem caused by each earthquake in Aceh and the surrounding areas. One aspect that can be carried out to minimize the hazards of seismic activity is the characterization of the source of the earthquake. This characterization can be used for various purposes for further seismic-related studies, including for stud

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Mahmood, Khalid, Naveed Ahmad, Usman Khan, and Qaiser Iqbal. "Seismic hazard maps of Peshawar District for various return periods." Natural Hazards and Earth System Sciences 20, no. 6 (2020): 1639–61. http://dx.doi.org/10.5194/nhess-20-1639-2020.

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Abstract. Probabilistic seismic hazard analysis of Peshawar District has been performed for a grid size of 0.01∘. The seismic sources for the target location are defined as the area polygon with uniform seismicity. The earthquake catalogue was developed based on the earthquake data obtained from different worldwide seismological networks and historical records. The earthquake events obtained at different magnitude scales were converted into moment magnitude using indigenous catalogue-specific regression relationships. The homogenized catalogue was subdivided into shallow crustal and deep-subdu

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Wu, Qing, Guijuan Lai, Jian Wu, and Jinmeng Bi. "The influence of aftershocks on seismic hazard analysis: a case study from Xichang and the surrounding areas." Natural Hazards and Earth System Sciences 24, no. 3 (2024): 1017–33. http://dx.doi.org/10.5194/nhess-24-1017-2024.

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Abstract. In some instances, a strong aftershock can cause more damage than the mainshock. Ignoring the influence of aftershocks may lead to the underestimation of the seismic hazard of some areas. Taking Xichang and its surrounding areas as an example and based on the Seismic ground motion parameters zonation map of China (GB 18306-2015), this study used the Monte Carlo method to simulate synthetic mainshock sequences. Additionally, the Omi–Reasenberg–Jones (Omi–R–J) aftershock activity model is used to simulate the aftershock sequences that follow mainshocks above a certain magnitude thresho

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Santibáñez, Isabel, José Cembrano, Tiaren García-Pérez, et al. "Crustal faults in the Chilean Andes: geological constraints and seismic potential." Andean Geology 46, no. 1 (2018): 32. http://dx.doi.org/10.5027/andgeov46n1-3067.

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The Chilean Andes, as a characteristic tectonic and geomorphological region, is a perfect location to unravel the geologic nature of seismic hazards. The Chilean segment of the Nazca-South American subduction zone has experienced mega-earthquakes with Moment Magnitudes (Mw) >8.5 (e.g., Mw 9.5 Valdivia, 1960; Mw 8.8 Maule, 2010) and many large earthquakes with Mw >7.5, both with recurrence times of tens to hundreds of years. By contrast, crustal faults within the overriding South American plate commonly have longer recurrence times (thousands of years) and are known to produce earthquakes

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Maharjan, Saroj, Antoine Poujol, Christophe Martin, et al. "New Probabilistic Seismic Hazard Model for Nepal Himalayas by Integrating Distributed Seismicity and Major Thrust Faults." Geosciences 13, no. 8 (2023): 220. http://dx.doi.org/10.3390/geosciences13080220.

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Nepal is one of the most seismically active regions in the world, as highlighted by the recent devastating 2015, Mw~7.8 Gorkha earthquake, and a robust assessment of seismic hazard is paramount for the design of earthquake-resistant structures. In this study, we present a new probabilistic seismic hazard assessment (PSHA) for Nepal. We considered data and findings from recent scientific publications, which allowed us to develop a unified magnitude homogenized seismicity catalog and propose alternative seismic source characterization (SSC) models including up-to-date parameters of major thrust

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