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An evaluation of the seismic-window theory for earthquake prediction

McNutt, Marcia and Heaton, Thomas H. (1981) An evaluation of the seismic-window theory for earthquake prediction. California Geology, 34 (1). pp. 12-16. ISSN 0026-4555. https://resolver.caltech.edu/CaltechAUTHORS:20121212-100833746

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Abstract

The hypothesis that tides may trigger seismic events is not new. The conclusions from previous studies are mixed, but some negative results might be attributed to failure in accounting for the variation in tidal phase and fault orientation over the surface of the earth. The connection between tides and seismicity appears most convincing for studies in which the investigators either correlated the earthquakes with the magnitude and direction of tidal stress on the actual fault planes (Heaton, 1975) or restricted the data set to events in a small region over which the earthquake mechanisms would be reasonably similar (Klein, 1976; Young and Zurn, 1979). In general, these studies have dealt with only the semidiurnal fluctuations in the tidal amplitude. The intent of this study was to determine whether earthquakes in the San Francisco Bay area respond to a fortnightly fluctuation in tidal amplitude. A correlation between seismic events and any tidal period would contribute to the understanding of the earthquake process and the stress regime within which faulting occurs. But perhaps more importantly, correlations between the longer tidal periods and seismicity might provide a useful tool for earthquake prediction.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://pubs.er.usgs.gov/publication/70012049PublisherArticle
ORCID:
AuthorORCID
Heaton, Thomas H.0000-0003-3363-2197
Additional Information:© 1981 California Division of Mines and Geology.
Issue or Number:1
Record Number:CaltechAUTHORS:20121212-100833746
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20121212-100833746
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:35940
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:07 Mar 2013 16:01
Last Modified:03 Oct 2019 04:33

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