Source uncertainty estimation in seismic intensity determination of the Taiwan Region

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

Research output: Contribution to journalComment/debatepeer-review

Abstract

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).

Original languageEnglish
Pages (from-to)848-853
Number of pages6
JournalBulletin of the Seismological Society of America
Volume102
Issue number2
DOIs
Publication statusPublished - 2012 Apr 1

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Geochemistry and Petrology

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