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Strain energy release-based seismic hazard of Pakistan and its surrounding areas

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Title: Strain energy release-based seismic hazard of Pakistan and its surrounding areas

Authors: Khaista Rehman, Muhammad Younis Khan, Syed Ali Turab, Wajid Ali

Journal: Journal of Himalayan Earth Sciences

HEC Recognition History
Category From To
Y 2024-10-01 2025-12-31
Y 2023-07-01 2024-09-30
Y 2022-07-01 2023-06-30
Y 2021-07-01 2022-06-30
Y 2020-07-01 2021-06-30
Y 1900-01-01 2005-06-30

Publisher: University Of Peshawar, Peshawar.

Country: Pakistan

Year: 2019

Volume: 52

Issue: 1

Language: en

Keywords: SeismicityFrequency-magnitudeSeismic hazardStrain energyPakistan

Categories
Geology (2332) Geophysics (653) Seismology (140) Earthquake Engineering (156) Pakistan (3978)

Abstract

The present study area is situated between the latitudes of 21°N and 39°N and the longitudes of 59°E and 77°E. The objective of this study is to estimate seismic hazard in Pakistan as a whole, northern Pakistan and southern Pakistan using cumulative frequency-magnitude distribution and strain energy release methods. The results are in the form of seismicity parameters of a and b-values (zone dependent constants), M1 (the annual mode maxima), M2 (the mean annual rate of energy release), M3 (the maximum credible earthquake), WT (the waiting time for M3 to occur and DT is the delay time. The results indicate that, in general, Pakistan and surrounding region is seismically active (e.g. north Pakistan has b < 1.0).

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