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Use of Long-Period Seismic Waves for Rapid Evaluation of Tsunami Potential of Large Earthquakes

Kanamori, Hiroo and Given, Jeffrey W. (1983) Use of Long-Period Seismic Waves for Rapid Evaluation of Tsunami Potential of Large Earthquakes. In: Tsunamis: their science and engineering. Advances in earth and planetary sciences. No.17. Terra Scientific , Tokyo, pp. 37-49. ISBN 9789027716118. https://resolver.caltech.edu/CaltechAUTHORS:20141105-085506324

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Abstract

Two seismological methods for rapid evaluation of tsunami potential of an earthquake are discussed. In the first method, long-period (200 to 300 sec) surface waves are used to determine the seismic moment and the fault geometry. This method allows determination of the source parameters in about 10 minutes after the surface-wave data have been retrieved, and is appropriate for far-field tsunami warning purposes. In the second method, long-period (100 to 300sec) near-field displacements are used to estimate the seismic moment. Our numerical experiment for a source-station geometry appropriate for Japan demonstrates that a very rapid and robust method can be developed for near-field tsunami warning purposes, if an appropriate (long-period, low gain) recording system is available.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://www.springer.com/earth+sciences+and+geography/hydrogeology/book/978-94-009-7174-5PublisherBook Publisher
ORCID:
AuthorORCID
Kanamori, Hiroo0000-0001-8219-9428
Additional Information:© 1983 by Terra Scientific Publishing Company (TERRAPUB), Tokyo. Received March 6, 1982. This research was supported by the U.S. Geological Survey contract No. 14-08-0001-19755. Contribution No. 3756, Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, California 91125.
Funders:
Funding AgencyGrant Number
USGS14-08-0001-19755
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Caltech Division of Geological and Planetary Sciences3756
Series Name:Advances in earth and planetary sciences
Issue or Number:17
Record Number:CaltechAUTHORS:20141105-085506324
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20141105-085506324
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:51272
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:05 Nov 2014 17:06
Last Modified:09 Mar 2020 13:18

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