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.
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