This is a preliminary UCB moment tensor solution for the event located 9 km NE of San Simeon, CA; 35.689N 121.113W; Z=6km; ML=4.2; (USGS/UCB Joint Notification System) on December 23, 2003 at 2:06:55 (UTC). Other information about this event can be viewed at: http://earthquake.usgs.gov/recenteqsUS/Quakes/nc40149054.htm Reviewed by: Dreger UCB Seismological Laboratory Inversion method: complete waveform Stations used: KCC PKD SAO CMB Berkeley Moment Tensor Solution Best Fitting Double-Couple: Mo = 1.64E+22 Dyne-cm Mw = 4.11 Z = 8 km Plane Strike Rake Dip NP1 315 113 59 NP2 95 57 38 Principal Axes: Axis Value Plunge Azimuth T 1.365 67 270 N 0.555 20 123 P -1.920 11 29 Source Composition: Type Percent DC 42.2 CLVD 57.8 Iso 0.0 Event Date/Time: December 23, 2003 at 2:06:55 (UTC) Event ID: nc40149054 Moment Tensor: Scale = 10**22 Dyne-cm Component Value Mxx -1.282 Mxy -1.001 Mxz -0.414 Myy 0.132 Myz -0.515 Mzz 1.150 ------- ----------------- ##------------------ P -- ######---------------- ---- ##########----------------------- #############---------------------- #################-------------------- ####################------------------- #######################---------------- ##########################--------------- ############## ############------------ ############## T ################------## -############# ######################## ---###################################### -----################################## --------############################### -----------########################## --------------##################### -------------------############## ----------------------####### ----------------------### ------------------- -------