Document Detail

Earthquakes of strike-slip type in central california: evidence on the question of dilatancy.
MedLine Citation:
PMID:  17739726     Owner:  NLM     Status:  PubMed-not-MEDLINE    
The travel times of compressional waves from quarry explosions of well-known origin times, measured at the University of California network of seismographic stations for the period 1961 to the present, have been examined for evidence of premonitory changes prior to earthquakes of moderate magnitudes in the region. Velocities to seven station sites are generally constant to within +/- 1 percent, with occasional deviations of +/- 2 percent. Variations seem to bear no correlation to earthquake occurrence and are probably due to a combination of reading errors and changes in the source location within the quarry.
T V McEvilly; L R Johnson
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Science (New York, N.Y.)     Volume:  182     ISSN:  0036-8075     ISO Abbreviation:  Science     Publication Date:  1973 Nov 
Date Detail:
Created Date:  2010-06-07     Completed Date:  2010-07-02     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  United States    
Other Details:
Languages:  eng     Pagination:  581-4     Citation Subset:  -    
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