This is a preliminary UCB moment tensor solution for the event located 13 km NE of San Simeon, CA; 35.709N 121.072W; Z=8.km; ML=4.1; (USGS/UCB Joint Notification System) on December 23, 2003 at 2:56:49 (UTC) . Other information about this event can be viewed at: http://earthquake.usgs.gov/recenteqsUS/Quakes/nc40149080.htm Reviewed by: Dreger UCB Seismological Laboratory Inversion method: complete waveform Stations used: KCC PKD SAO Berkeley Moment Tensor Solution Best Fitting Double-Couple: Mo = 7.98E+21 Dyne-cm Mw = 3.90 Z = 8 km Plane Strike Rake Dip NP1 91 29 72 NP2 352 160 63 Principal Axes: Axis Value Plunge Azimuth T 5.729 33 314 N 4.502 57 120 P -10.231 6 220 Source Composition: Type Percent DC 12.0 CLVD 88.0 Iso 0.0 Event Date/Time: December 23, 2003 at 2:56:49 (UTC) Event ID: nc40149080 Moment Tensor: Scale = 10**21 Dyne-cm Component Value Mxx -3.744 Mxy -7.575 Mxz 1.656 Myy -0.928 Myz 0.645 Mzz 4.672 ------- #####-------------- ##########--------------- #############---------------- #################---------------- ###### ###########--------------- ####### T ############--------------- ######## ##############-------------- ###########################------------ ###############################---------- #################################-------- -------##############################---- -----------############################## ---------------########################## ----------------####################### ------------------##################### -------------------################## --------------------############### --- --------------############# - P ---------------########## ---------------######## --------------##### -------