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Development of New Ground Motion Prediction Equation for the North and Central Himalayas Using Recorded Strong Motion Data

Publication Type : Journal Article

Publisher : Journal of Earthquake Engineering

Source : Journal of Earthquake Engineering, Taylor and Francis Ltd. (2019)

Url : https://www.scopus.com/inward/record.uri?eid=2-s2.0-85065305908&doi=10.1080%2f13632469.2019.1605318&partnerID=40&md5=7517e0f5a415dcc3368d601fe9ababec

Keywords : Attenuation relations, Earthquake effects, Equations of motion, Forecasting, GMPE, Himalayas, Motion estimation, Peak ground acceleration, regression

Campus : Coimbatore

School : School of Engineering

Department : Civil

Year : 2019

Abstract : A new region-specific Ground Motion Prediction Equation (GMPE) was developed for the North and Central Himalayas purely based on recorded strong motion data. The GMPE was generated using multiple-regression, considering ground acceleration, magnitude, and hypocentral distance. An updated larger dataset was used in the present study, making the new equation applicable to a larger magnitude range of 4.1 to 7.8 and distance range up to 1560 kms, thus overcoming a major limitation of currently available region-specific GMPEs. The new GMPE was validated and observed to predict ground acceleration more accurately with noticeably less residuals as compared to existing GMPEs. © 2019, © 2019 Taylor & Francis Group, LLC.

Cite this Research Publication : Ramkrishnan R., Sreevalsa, K., and Sitharam, T. G., “Development of New Ground Motion Prediction Equation for the North and Central Himalayas Using Recorded Strong Motion Data”, Journal of Earthquake Engineering, 2019.

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