Source uncertainty estimation in seismic intensity determination of the Taiwan Region

Chih Yih Hsieh; Ting Li Lin; Yih Min Wu; Da Yi Chen

doi:10.1785/0120110132

Source uncertainty estimation in seismic intensity determination of the Taiwan Region

Chih Yih Hsieh, Ting Li Lin, Yih Min Wu, Da Yi Chen

地球科學系

研究成果: Comment/debate › 同行評審

摘要

In this work, we quantify the effect of source uncertainties, other than earthquake magnitude and location, in rapid seismic intensity determinations in Taiwan using the strong-motion accelerograms recorded by stations of the Taiwan Strong-Motion Instrumentation Program (TSMIP) between 1991 and 2010. We find that rapid earthquake reporting assumes that a point source has an uncertainty of 0.5° in intensity and 7:2 cm/s ² in peak ground acceleration (PGA). Therefore, these values can be regarded as the upper bound for precision in the Taiwan rapid reporting system (RRS).

原文	English
頁（從 - 到）	848-853
頁數	6
期刊	Bulletin of the Seismological Society of America
卷	102
發行號	2
DOIs	https://doi.org/10.1785/0120110132
出版狀態	Published - 2012 四月 1

All Science Journal Classification (ASJC) codes

Geophysics
Geochemistry and Petrology

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10.1785/0120110132

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AU - Lin, Ting Li

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AU - Chen, Da Yi

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N2 - In this work, we quantify the effect of source uncertainties, other than earthquake magnitude and location, in rapid seismic intensity determinations in Taiwan using the strong-motion accelerograms recorded by stations of the Taiwan Strong-Motion Instrumentation Program (TSMIP) between 1991 and 2010. We find that rapid earthquake reporting assumes that a point source has an uncertainty of 0.5° in intensity and 7:2 cm/s 2 in peak ground acceleration (PGA). Therefore, these values can be regarded as the upper bound for precision in the Taiwan rapid reporting system (RRS).

AB - In this work, we quantify the effect of source uncertainties, other than earthquake magnitude and location, in rapid seismic intensity determinations in Taiwan using the strong-motion accelerograms recorded by stations of the Taiwan Strong-Motion Instrumentation Program (TSMIP) between 1991 and 2010. We find that rapid earthquake reporting assumes that a point source has an uncertainty of 0.5° in intensity and 7:2 cm/s 2 in peak ground acceleration (PGA). Therefore, these values can be regarded as the upper bound for precision in the Taiwan rapid reporting system (RRS).

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