This is a preliminary UCB moment tensor solution for the event located 2 km NNE of Piedmont, CA; 37.8398N 122.2215W; Z=6.1km; ML=3.39; (USGS/UCB Joint Notification System) on May 8, 2005 at 10:35:55 UTC. Other information about this event can be viewed at: http://earthquake.usgs.gov/recenteqsUS/Quakes/nc40174613.htm Reviewed by: Dolenc UCB Seismological Laboratory Inversion method: complete waveform Stations used: CVS, PACP, and SAO Berkeley Moment Tensor Solution Best Fitting Double-Couple: Mo = 1.07E+21 Dyne-cm Mw = 3.32 Z = 5. km Plane Strike Rake Dip NP1 37 -28 80 NP2 132 -169 63 Principal Axes: Axis Value Plunge Azimuth T 1.072 12 87 N -0.003 61 199 P -1.069 26 352 Event Date/Time: May 8, 2005 at 10:35:55 UTC Event ID: nc40174613 Moment Tensor: Scale = 10**21 Dyne-cm Component Value Mxx -0.837 Mxy 0.169 Mxz -0.410 Myy 1.007 Myz 0.276 Mzz -0.170 ------- ------------------- --------- ------------- ----------- P ------------### #------------ -----------###### ###------------------------######## ####-----------------------########## ######---------------------############ #######-------------------############# #########-----------------############### ##########---------------############ # ############-----------############## T # #############---------############### # ###############------#################### ################--##################### ################---#################### ##############------################# ###########------------############ ########------------------####### ####------------------------- ------------------------- ------------------- -------