This is a preliminary UCB moment tensor solution for the event located 4 km ESE of Berkeley, CA; 37.8618N 122.2353W; Z=9.8km; ML=3.51; (USGS/UCB Joint Notification System) on December 23, 2006 at 17:21:15 UTC. Other information about this event can be viewed at: http://earthquake.usgs.gov/recenteqsus/Quakes/nc51177121.php Reviewed by: Templeton UCB Seismological Laboratory Inversion method: complete waveform Stations used: CVS MCCM MHC Berkeley Moment Tensor Solution Best Fitting Double-Couple: Mo = 1.63E+21 Dyne-cm Mw = 3.41 Z = 11 Plane Strike Rake Dip NP1 148 -169 86 NP2 57 -4 79 Principal Axes: Axis Value Plunge Azimuth T 1.626 5 282 N 0.000 78 168 P -1.626 11 13 Event Date/Time: December 23, 2006 at 17:21:15 UTC Event ID: nc51177121 Moment Tensor: Scale = 10**21 Dyne-cm Component Value Mxx -1.419 Mxy -0.679 Mxz -0.257 Myy 1.462 Myz -0.202 Mzz -0.043 ------ ------------ P ---- ##------------- ------- #####------------------------ ########------------------------- ##########------------------------- ############----------------------### ##############-------------------###### #############----------------######## T ##############-------------########### ###############----------############# ###################------################ #####################-################### ###################---################### ###############-------################# ############-----------################ #######----------------############## ------------------------########### ------------------------######### -----------------------###### -----------------------## ------------------- ------- Lower Hemisphere Equiangle Projection