Deterministic strong ground motion study for the Sitamarhi area near Bihar–Nepal region

M. L. Burnwal (), A. Burman (), P. Samui and D. Maity
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M. L. Burnwal: National Institute of Technology
A. Burman: National Institute of Technology
P. Samui: National Institute of Technology
D. Maity: Indian Institute of Technology

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2017, vol. 87, issue 1, No 12, 237-254

Abstract: Abstract Deterministic seismic hazard assessment based study using various attenuation relationships has been taken up to find out the peak ground acceleration (PGA) for Sitamarhi region situated near the Bihar Nepal border. Seismicity data were collected from Indian Meteorological Department, New Delhi and Seismotectonic Atlas of India (GSI 2000) and 38 seismotectonic sources were identified in the region. The results show that the Main Central Thrust and West Patna subsurface fault are the two main faults, which contribute to maximum PGA values for Sitamarhi region. The calculated PGA values are in confirmation with the observed values from other sources.

Keywords: Deterministic Seismic Hazard Assessment (DSHA); Peak ground acceleration (PGA); Sitamarhi; Bihar Nepal border; Attenuation relations (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1007/s11069-017-2761-2

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