.This is a preliminary moment tensor solution for the ML= 4.2, H=7.0 km
earthquake, 8km NE of Rohnert Park, CA (38.3932 N, 122.6328 W). A Mw of 4.3
and depth of 6 km was obtained by using regional surface waves. Reverse mechanism.
Principal Axes:
Axis Value Plunge Azimuth
T 2.800 82 80
N 0.000 7 286
P -2.800 3 196
Best Fitting Double-Couple:
Mo = 2.80E+22 Dyne-cm
Plane Strike Rake Dip
NP1 113 100 49
NP2 278 79 42
Best regards,
Hrvoje Tkalcic
Douglas Dreger
hrvoje@seismo.berkeley.edu
Berkeley Seismological Laboratory
Moment Magnitude = 4.26
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Lower Hemisphere Equiangle Projection