Relations between some horizontal‐component ground‐motion intensity measures used in practice

Bulletin of the Seismological Society of America
By:  and 

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Abstract

Various measures using the two horizontal components of recorded ground motions have been used in a number of studies that derive ground‐motion prediction equations and construct maps of shaking intensity. We update relations between a number of these measures, including those in Boore et al. (2006) and Boore (2010), using the large and carefully constructed global database of ground motions from crustal earthquakes in active tectonic regions developed as part of the Pacific Earthquake Engineering Research Center–Next Generation Attenuation‐West2 project. The ratios from the expanded datasets generally agree to within a few percent of the previously published ratios. We also provide some ratios that were not considered before, some of which will be useful in applications such as constructing ShakeMaps. Finally, we compare two important ratios with those from a large central and eastern North American database and from many records from subduction earthquakes in Japan and Taiwan. In general, the ratios from these regions are within several percent of those from crustal earthquakes in active tectonic regions.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Relations between some horizontal‐component ground‐motion intensity measures used in practice
Series title Bulletin of the Seismological Society of America
DOI 10.1785/0120160250
Volume 107
Issue 1
Year Published 2017
Language English
Publisher Seismological Society of America
Contributing office(s) Earthquake Science Center
Description 10 p.
First page 334
Last page 343