This is a preliminary UCB moment tensor solution for the event located 12 km NNE of Cambria, CA; 35.654N 121.054W; Z=6.9km; ML=4.9; (USGS/UCB Joint Notification System) on December 23, 2003 at 18:17:11 (UTC). Other information about this event can be viewed at: http://earthquake.usgs.gov/recenteqsUS/Quakes/nc40149402.htm Reviewed by: Dreger UCB Seismological Laboratory Inversion method: complete waveform Stations used: BDM JRSC KCC MHC SAO Berkeley Moment Tensor Solution Best Fitting Double-Couple: Mo = 1.30E+23 Dyne-cm Mw = 4.71 Z = 5. km Plane Strike Rake Dip NP1 293 98 60 NP2 97 76 31 Principal Axes: Axis Value Plunge Azimuth T 1.300 74 224 N 0.000 7 109 P -1.300 15 17 Event Date/Time: December 23, 2003 at 18:17:11 (UTC) Event ID: nc40149402 Moment Tensor: Scale = 10**23 Dyne-cm Component Value Mxx -1.057 Mxy -0.292 Mxz -0.557 Myy -0.057 Myz -0.335 Mzz 1.115 ------- ------------- --- ---------------- P ------ ------------------ -------- --------------------------------- ----------------------------------- -----####---------------------------- ###################-------------------- ########################--------------- ############################------------- ###############################---------- -############### ##############-------- --############## T ################------ ---############# ##################---# ---##################################-# -----###############################--# ------###########################---- --------#####################------ ------------###########---------- ----------------------------- ------------------------- ------------------- -------