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Published 1983 | Published
Book Section - Chapter Open

Teleseismic mechanism of the May 02, 1983 Coalinga, California, earthquake from long-period P-waves

Abstract

Teleseismic, long-period P-waveforms are modeled to obtain estimates of the source parameters for the May 2, 1983 Coalinga earthquake. The best fitting focal mechanism is: strike = 297 ± 5°, dip = 64 ± 1°, rake = 70 ± 10°. The moment is estimated to be 3.8 ± 1.5 X 10^(25) dyne-cm with a slip duration of 5 ± 1 sec. The depth is estimated at 12 ± 2 km.

Additional Information

© 1983 California Dept. of Conservation. The authors are grateful to the operators of WWSSN stations who supplied records for this study. We thank Hiroo Kanamori for useful discussions and for reviewing the manuscript.

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August 22, 2023
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