This is a preliminary UCB moment tensor solution for the event located 8 km SSE of Parkfield, CA; 35.8382N 120.3878W; Z=6.9km; ML=3.6; (USGS/UCB Joint Notification System) on March 26, 2005 at 04:36:48 UTC. Other information about this event can be viewed at: http://earthquake.usgs.gov/recenteqsUS/Quakes/nc51158211.htm Reviewed by: Dolenc UCB Seismological Laboratory Inversion method: complete waveform Stations used: PACP, SBC, and PMPB Berkeley Moment Tensor Solution Best Fitting Double-Couple: Mo = 4.00E+21 Dyne-cm Mw = 3.70 Z = 8. km Plane Strike Rake Dip NP1 138 164 87 NP2 229 3 74 Principal Axes: Axis Value Plunge Azimuth T 3.986 13 92 N 0.025 73 309 P -4.010 10 185 Source Composition: Type Percent DC 98.8 CLVD 1.2 Iso 0.0 Event Date/Time: March 26, 2005 at 04:36:48 UTC Event ID: nc51158211 Moment Tensor: Scale = 10**21 Dyne-cm Component Value Mxx -3.862 Mxy -0.484 Mxz 0.628 Myy 3.738 Myz 0.950 Mzz 0.125 ------- ------------------- ------------------------- #---------------------------- #####-------------------------### #######--------------------######## ##########---------------############ ############-----------################ ##############------################### #################-####################### ##################################### # ###############----################## T # #############--------################ # ############-----------################## #########---------------############### ########-----------------############## #####---------------------########### ###------------------------######## #---------------------------##### ----------------------------# --------- ------------- ------ P ---------- ----