Strain energy release-based seismic hazard of Pakistan and its surrounding areas
Keywords:
Seismicity, Frequency-magnitude, Seismic hazard, Strain energy, PakistanAbstract
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).
References
Alsan, E., T`ezucan, L., Bath, M, 1975. An earthquake catalogue for Turkey for the interval 1913–1970, Common Rep. 75 Kandilli Turkey Obs., Seism. Inst. Uppsala, Sweden.
Bathh, M., 1958. The energies of seismic body waves and surface waves. In: Benioff, M., Ewing, B.F., Howell Jr., F. Press (Eds.), Contributions in Geophysics. Pergamon, London, 1, l-16.
Bayliss, T, J., Burton, P. W., 2007. A new earthquake catalogue for Bulgaria and the conterminous Balkan high hazard region, Nat. Hazards Earth Syst. Sci, 7, 345–359.
Burton, P. W., 1990. Pathways to seismic hazard evaluation: extreme and characteristic earthquakes in areas of low and high seismicity. Natural Hazards, 3, 275-291.
Cole, S, Xu, Y., Burton, P, W., 2006. Seismic Hazard of the North South seismic zone, China, First European Conference on Earthquake Engineering and Seismology, Geneva, Switzerland, Paper Number, 582.
Gutenberg, B., Richter, C.F., 1944. Frequency of earthquakes in California. Bulletin of the Seismological Society of America, 34, 1985-1988.
Hamdache, M., 1998. Seismic Hazard Estimation in Northern Algeria, Natural Hazards, 18, 119–144.
Kazmi, A, H., Jan, M. Q., 1997. Geology and tectonics of Pakistan. Graphic Publishers, Huntsville.
Lisa, M., Khwaja, A. A., Qaiser, M., 2002. Focal Mechanism studies of Kohat and northern Potwar deformed zone (NPDZ), Pakistan, Geological Bulletin University of Peshawar, 35, 85-95.
Makropoulos, K. C., Burton, P. W., 1983. Seismic risk of circum-Pacific earthquakes, I. Strain energy release, Pageoph, 121, 247- 267.
Olsson, R., 1999. An estimation of the maximum b-value in the Gutenberg- Richter relation, Geodynamics, 27, 547-552.
Quittmeyer, R. C., 1979. Seismicity Variations in the Makran Region of Pakistan and Iran: Relation to Great Earthquake, Pageoph, 117, 1212- 1228.
Rehman, K., Burton, P.W., Weatherill, G., 2014. K-means cluster analysis and seismicity partitioning for Pakistan. Journal of Seismology, 18(3), 401–419.
Rehman, K., Burton, P. W., Weatherill, G. A., 2018. Application of Gumbel I and Monte Carlo methods to assess seismic hazard in and around Pakistan. Journal of Seismology. 22, 575-588
Seeber, L., Armbruster, J., 1979. Seismicity of the Hazara arc in northern Pakistan: Decollement vs. basement faulting. In: Farah, A., DeJong, K. (Eds.), Geodynamics of Pakistan: Quetta, Geological Survey of Pakistan, 131-142.
Seeber, L., Armbruster, J., Farhatullah, S., 1980. Seismic activity at Terbela Dam site. Geological Bulleton, University of Peshawar, 13.
Soheir, T., Hemamy, E., 2004. Seismic hazard evaluation using strain energy release in Egypt, 13th World Conference on Earthquake Engineering Vancouver, B.C., Canada, Paper No. 2255.
