This is a preliminary UCB moment tensor solution for the event located 4 km ESE of Berkeley, CA; 37.8615N 122.2367W; Z=10.0km; ML=3.68; (USGS/UCB Joint Notification System) on December 23, 2006 at 06:49:57 UTC. Other information about this event can be viewed at: http://earthquake.usgs.gov/recenteqsus/Quakes/nc51177103.php Reviewed by: Templeton UCB Seismological Laboratory Inversion method: complete waveform Stations used: CVS MHC Berkeley Moment Tensor Solution Best Fitting Double-Couple: Mo = 2.82E+21 Dyne-cm Mw = 3.57 Z = 11 Plane Strike Rake Dip NP1 139 -153 89 NP2 48 -1 63 Principal Axes: Axis Value Plunge Azimuth T 2.820 18 270 N 0.000 63 141 P -2.820 19 7 Event Date/Time: December 23, 2006 at 06:49:57 UTC Event ID: nc51177103 Moment Tensor: Scale = 10**21 Dyne-cm Component Value Mxx -2.469 Mxy -0.328 Mxz -0.873 Myy 2.513 Myz -0.937 Mzz -0.045 ------- ---------- ------ ------------- P --------- ##------------- ----------- #####---------------------------# ########------------------------### ##########-----------------------#### #############--------------------###### ##############------------------####### #################---------------######### ## ##############------------########## ## T ###############---------############ ## #################-----############## #######################---############### #######################-############### ####################------############# ################----------########### ############---------------######## ######----------------------##### ---------------------------## ------------------------- ------------------- ------- Lower Hemisphere Equiangle Projection