This is a preliminary UCB moment tensor solution for the event located 6 km SE of Moraga, CA; 37.8118N 122.0740W; Z=13.2km; ML=3.8; (USGS/UCB Joint Notification System) on March 21, 2006 at 21:41:42 UTC. Other information about this event can be viewed at: http://earthquake.usgs.gov/recenteqsus/Quakes/nc51169283.php Reviewed by: Dolenc UCB Seismological Laboratory Inversion method: complete waveform Stations used: CVS, HOPS, and MHC Berkeley Moment Tensor Solution Best Fitting Double-Couple: Mo = 5.15E+21 Dyne-cm Mw = 3.77 Z = 14. km Plane Strike Rake Dip NP1 323 -170 90 NP2 232 0 80 Principal Axes: Axis Value Plunge Azimuth T 5.299 7 97 N -0.297 80 325 P -5.002 7 188 Source Composition: Type Percent DC 88.8 CLVD 11.2 Iso 0.0 Event Date/Time: March 21, 2006 at 21:41:42 UTC Event ID: nc51169283 Moment Tensor: Scale = 10**21 Dyne-cm Component Value Mxx -4.749 Mxy -1.312 Mxz 0.520 Myy 5.047 Myz 0.742 Mzz -0.297 ------- ------------------- ------------------------- ###-------------------------- #######-------------------------- #########---------------------##### ###########-----------------######### #############-------------############# ##############----------############### ################-------################## ################------################### ###############-------################ ##############---------############### T ############------------############## #########---------------############### ########-----------------############## #####---------------------########### ###-----------------------######### --------------------------####### -------------------------#### -------- -------------- ----- P ----------- -----