期刊
JOURNAL OF SEISMOLOGY
卷 22, 期 3, 页码 575-588出版社
SPRINGER
DOI: 10.1007/s10950-017-9723-8
关键词
Attenuation relation; Gumbel I; Monte Carlo; Pakistan; Probabilistic assessment; Ground acceleration
资金
- School of Environmental Sciences, University of East Anglia, UK
- National Centre of Excellence in Geology, University of Peshawar, Pakistan
A proper assessment of seismic hazard is of considerable importance in order to achieve suitable building construction criteria. This paper presents probabilistic seismic hazard assessment in and around Pakistan (23A degrees N-39A degrees N; 59A degrees E-80A degrees E) in terms of peak ground acceleration (PGA). Ground motion is calculated in terms of PGA for a return period of 475 years using a seismogenic-free zone method of Gumbel's first asymptotic distribution of extreme values and Monte Carlo simulation. Appropriate attenuation relations of universal and local types have been used in this study. The results show that for many parts of Pakistan, the expected seismic hazard is relatively comparable with the level specified in the existing PGA maps.
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