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A new instrumental measure of epicentral shaking intensity in Western China.
- Source :
-
Bulletin of Earthquake Engineering . Aug2013, Vol. 11 Issue 4, p913-924. 12p. - Publication Year :
- 2013
-
Abstract
- We define here a new measure of epicentral shaking intensity (modified spectrum intensity), which we derive from strong motion instrumental data. This new metric is similar to Housner's spectrum intensity, with the caveat that we modify its numerical value by evaluating the predominant period of spectral acceleration and the site characteristics of each strong-motion station. We find that the modified spectrum intensity thus calculated is of higher reliability than peak ground acceleration, peak ground velocity, or Housner's spectrum intensity in instrumental seismic intensity determination, and it offers a superior method to evaluate macro-seismic intensity distribution soon after a destructive earthquake in Western China. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 1570761X
- Volume :
- 11
- Issue :
- 4
- Database :
- Academic Search Index
- Journal :
- Bulletin of Earthquake Engineering
- Publication Type :
- Academic Journal
- Accession number :
- 89077661
- Full Text :
- https://doi.org/10.1007/s10518-013-9428-5