Rapid Assessment of Damage Potential of Earthquakes in Taiwan from the Beginning of P Waves
Resource
Bulletin of the Seismological Society of America 95 (3): 1181-1185
Journal
Bulletin of the Seismological Society of America
Journal Volume
95
Journal Issue
3
Pages
1181--1185
Date Issued
2005-06
Author(s)
Kanamori, Hiroo
Abstract
To rapidly assess the potential for damage of an earthquake for purposes of earthquake early warning in Taiwan, we used the peak displacement and velocity amplitudes of the first 3 sec of the P wave. The vertical-component records, high-pass filtered at 0.075 Hz, are used. We found that the peak initial-displacement amplitude (Pd) correlates well with the peak ground-motion displacement (PGD) and the peak ground-motion velocity (PGV) at the same site. When Pd > 0.5 cm, the event is most likely damaging. If Pd is combined with the period parameter τc, determined in an earlier study, then τ c, X Pd provides an even more robust parameter for assessing the potential for damage.
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Type
journal article
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