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Fault2SHA Learning Series – Ground motion models by John Douglas

July 12 @ 4:00 PM - 5:00 PM

Estimating earthquake ground motions: Background, methods and challenges

John Douglas

University of Strathclyde, Glasgow

Monday 12th July 2021 16:00 CEST (15:00 UK, 16:00 Italy/France)

Ground-motion models, also called ground motion prediction equations (GMPEs) and sometimes attenuation relations, play a key role in seismic hazard assessments. These models provide an estimate of the earthquake ground motion to expect at a site given the occurrence of an earthquake at a particular location. Hundreds of GMPEs for different measures of earthquake ground motions (e.g. peak ground acceleration) and for different regions have been published since the 1960s. In this talk I will provide an overview of GMPEs, including a discussion of their inputs, outputs and derivation, as well as highlighting some of the challenges in their use.

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Date:
July 12
Time:
4:00 PM - 5:00 PM