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TriNet "ShakeMaps": Rapid generation of peak ground motion and intensity maps for earthquakes in southern California

Earthquake Spectra

By:
, , , , , and

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Abstract

Rapid (3-5 minutes) generation of maps of instrumental ground-motion and shaking intensity is accomplished through advances in real-time seismographic data acquisition combined with newly developed relationships between recorded ground-motion parameters and expected shaking intensity values. Estimation of shaking over the entire regional extent of southern California is obtained by the spatial interpolation of the measured ground motions with geologically based frequency and amplitude-dependent site corrections. Production of the maps is automatic, triggered by any significant earthquake in southern California. Maps are now made available within several minutes of the earthquake for public and scientific consumption via the World Wide Web; they will be made available with dedicated communications for emergency response agencies and critical users.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
TriNet "ShakeMaps": Rapid generation of peak ground motion and intensity maps for earthquakes in southern California
Series title:
Earthquake Spectra
Volume
15
Issue:
3
Year Published:
1999
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Earthquake Spectra
First page:
537
Last page:
554