This is a preliminary UCB moment tensor solution for the event located 5 km SSE of Parkfield, CA; 35.8618N 120.4083W; Z=9.5km; ML=3.8; (USGS/UCB Joint Notification System) on November 19, 2004 at 02:56:00 UTC. Other information about this event can be viewed at: http://earthquake.usgs.gov/recenteqsUS/Quakes/nc51153328.htm Reviewed by: Dolenc UCB Seismological Laboratory Inversion method: complete waveform Stations used: PACP, SAO, SBC, and TIN Berkeley Moment Tensor Solution Best Fitting Double-Couple: Mo = 4.17E+21 Dyne-cm Mw = 3.71 Z = 8. km Plane Strike Rake Dip NP1 145 174 87 NP2 235 3 84 Principal Axes: Axis Value Plunge Azimuth T 4.191 6 100 N -0.034 84 301 P -4.157 2 190 Source Composition: Type Percent DC 98.4 CLVD 1.6 Iso 0.0 Event Date/Time: November 19, 2004 at 02:56:00 UTC Event ID: nc51153328 Moment Tensor: Scale = 10**21 Dyne-cm Component Value Mxx -3.893 Mxy -1.438 Mxz 0.084 Myy 3.887 Myz 0.464 Mzz 0.006 ------- ------------------- #------------------------ ####------------------------- #######-------------------------- #########------------------------## ###########--------------------###### ##############--------------########### ###############-----------############# #################-------################# ##################---#################### ##################--##################### ###############------################# #############---------################ T ##########-------------############## #######-----------------############### ####--------------------############# #------------------------########## -------------------------######## -------------------------#### ------------------------# ---- ------------ P ------