Seismic Hazard Analysis with Moment Release Constraint in Upper Himalayas Region: An Overview
Journal Title: International Journal of Engineering and Science Invention - Year 2018, Vol 7, Issue 5
Abstract
Probabilistic Seismic Hazard Analysis (PSHA) Characterizes Ground Motion Hazard From Earthquake. PSHA Analysis Is Conducted Where There Is A Perceived Earthquake Threat From Active Seismic Source In The Region That May Produce A Large Earthquake. These Earthquakes Occur During The Years To Decades Prior To The Occurrence Of The Large Event And Over A Region Larger Than Its Rupture Zone. The Size Of The Region In Which These Earthquakes Occurs Scales With The Size Of The Ensuing Foreshock Or Main-Shocks, At Least In Continental Regions. A Number Of Numerical Simulation Studies Of Faults And Fault Systems Also Exhibit Similar Behavior. The Combined Observational And Simulation Evidence Suggests That The Period Of Increased Moment Released In Earthquakes Signals The Establishment Of Long Wavelength Correlations In The Regional Stress Field. This Paper Presents A Brief Overview Of Seismic Hazard Analysis Method And A Peak Into Various Seismic Zones In Which Our Study Area Is Divided Based On Seismotectonic Segments. The Main Aim Of This Study Is To Review The Work Already Done Till Now On The PSHA Analysis.
Authors and Affiliations
Rishabh Joshi, Dheerendra Kumar Singh
Keywords
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