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V p /V s and b‐Values: A test of the dilatancy model for earthquake precursors
Author(s) -
VanWormer J. D.,
Gedney L. D.,
Davies J. N.,
Condal N.
Publication year - 1975
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/gl002i011p00514
Subject(s) - dilatant , geology , seismology , magnitude (astronomy) , earthquake magnitude , earthquake prediction , geotechnical engineering , mathematics , physics , geometry , astronomy , scaling
Three days prior to a magnitude 3.0 earthquake near Fairbanks, Alaska, the b‐value began to decrease, reaching a statistically significant minimum one day before the event. This decrease in b‐value is in accord with the dilatancy model for earthquake occurrence. Changes in V p /V s would have been only marginally detectable with the data available.
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