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Geophysics and Seismology Commons

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Western University

Theses/Dissertations

2014

Magnitude estimation

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Magnitude Estimation For Earthquake And Tsunami Early Warning Systems, Attieh Eshaghi Sep 2014

Magnitude Estimation For Earthquake And Tsunami Early Warning Systems, Attieh Eshaghi

Electronic Thesis and Dissertation Repository

In this study, different magnitude estimation methods were investigated for application to earthquake early warning (EEW) and tsunami early warning systems. This integrated study is divided into two main parts. First, I used strong motion accelerograms recorded by borehole and surface stations from the Kiban Kyoshin network (KiK-net) for Japanese earthquakes with moment magnitude (M) ≥ 5.0 in order to develop ground motion prediction equations (GMPEs). I developed new GMPEs for peak ground acceleration (PGA) and peak ground velocity (PGV) using two different catalogs. The first catalog included earthquakes with 5.0 ≤ M ≤ 8.1 from 1998-2010. In …