This is a preliminary UCB moment tensor solution for the event located 5 km NW of Tres Pinos, CA; 36.8203N 121.3537W; Z=6.00km; ML=3.54; (USGS/UCB Joint Notification System) on September 25, 2003 at 14:33:46 UTC. Other information about this event can be viewed at: http://earthquake.usgs.gov/recenteqsUS/Quakes/nc51131722.htm Reviewed by: Templeton UCB Seismological Laboratory Inversion method: complete waveform Stations used: JRSC MHC PKD Berkeley Moment Tensor Solution Best Fitting Double-Couple: Mo = 2.15E+21 Dyne-cm Mw = 3.52 Z = 8 km Plane Strike Rake Dip NP1 137 176 89 NP2 227 1 86 Principal Axes: Axis Value Plunge Azimuth T 2.145 4 92 N 0.000 86 303 P -2.145 2 182 Event Date/Time: September 25, 2003 at 14:33:46 UTC Event ID: nc51131722 Moment Tensor: Scale = 10**21 Dyne-cm Component Value Mxx -2.137 Mxy -0.152 Mxz 0.075 Myy 2.132 Myz 0.135 Mzz 0.005 ------- ------------------- ------------------------- #---------------------------- ####--------------------------### #######----------------------###### ##########------------------######### ############--------------############# ##############----------############### #################------################## ##################---################## ###################-################### T #################-----################# ###############---------################# ############------------############### ###########---------------############# ########-------------------########## #####-----------------------####### ##--------------------------##### ----------------------------# ------------------------- ------- --------- - P ---