Document Detail


Periodic, chaotic, and doubled earthquake recurrence intervals on the deep San Andreas fault.
MedLine Citation:
PMID:  20538948     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
Earthquake recurrence histories may provide clues to the timing of future events, but long intervals between large events obscure full recurrence variability. In contrast, small earthquakes occur frequently, and recurrence intervals are quantifiable on a much shorter time scale. In this work, I examine an 8.5-year sequence of more than 900 recurring low-frequency earthquake bursts composing tremor beneath the San Andreas fault near Parkfield, California. These events exhibit tightly clustered recurrence intervals that, at times, oscillate between approximately 3 and approximately 6 days, but the patterns sometimes change abruptly. Although the environments of large and low-frequency earthquakes are different, these observations suggest that similar complexity might underlie sequences of large earthquakes.
Authors:
David R Shelly
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Science (New York, N.Y.)     Volume:  328     ISSN:  1095-9203     ISO Abbreviation:  Science     Publication Date:  2010 Jun 
Date Detail:
Created Date:  2010-06-11     Completed Date:  2010-06-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1385-8     Citation Subset:  -    
Affiliation:
U.S. Geological Survey, Menlo Park, CA 94025, USA. dshelly@usgs.gov
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