Journal of Japan Association for Earthquake Engineering
Online ISSN : 1884-6246
ISSN-L : 1884-6246
Technical Papers
STATIC DISPLACEMENT AND LONG-PERIOD VELOCITY PULSE OF CRUSTAL EARTHQUAKES IN JAPAN
Toshimi SATOH
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2020 Volume 20 Issue 5 Pages 5_36-5_58

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Abstract

We extract static displacement Dp and long-period (2-10 s) velocity pulse from strong motion records of crustal earthquakes in Japan and examine them by comparing with those of the 2016 Kumamoto earthquake and previous prediction equations. The period of long-period pulse of four earthquakes with Mw6.6-Mw7.0 is about 3 s, which is consistent to one of previous equations. Prediction of Dp is improved by substituting the relation between seismic moment and rupture area derived in this study using fault models from geodetic data into the equation by Kamai et al. (2014).

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© 2020 Japan Association for Earthquake Engineering
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