This is a preliminary UCB moment tensor solution for the event located 4 km NW of Lafayette, CA; 37.907N 122.150W; Z=9.8km; ML=3.5; (USGS/UCB Joint Notification System) on October 19, 2003 at 15:32:52UTC. Other information about this event can be viewed at: http://earthquake.usgs.gov/recenteqsUS/Quakes/nc51132363.htm Reviewed by: Dreger UCB Seismological Laboratory Inversion method: complete waveform Stations used: HOPS MHC SAO BDM Berkeley Moment Tensor Solution Best Fitting Double-Couple: Mo = 2.12E+21 Dyne-cm Mw = 3.52 Z = 5 km Plane Strike Rake Dip NP1 336 -167 85 NP2 245 -5 77 Principal Axes: Axis Value Plunge Azimuth T 2.120 6 110 N 0.000 76 357 P -2.120 13 201 Event Date/Time: October 19, 2003 at 15:32:52UTC Event ID: nc51132363 Moment Tensor: Scale = 10**21 Dyne-cm Component Value Mxx -1.516 Mxy -1.346 Mxz 0.355 Myy 1.598 Myz 0.356 Mzz -0.083 ------- #------------------ #####-------------------- ########--------------------- ###########---------------------- #############---------------------- ###############---------------------- #################--------------######## ##################-------############## ####################-#################### #################----#################### ##############--------################### ###########------------################## ########---------------################## #####------------------############# ##----------------------############ T ------------------------########### -----------------------############ -----------------------########## ------- ------------####### ----- P ------------##### -- -------------# -------