This is a preliminary UCB moment tensor solution for the event located 16 km NW of Pinnacles, CA; 36.641N 121.259W; Z=10.6km; ML=3.6; (USGS/UCB Joint Notification System) on July 31, 2004 at 10:35:54 UTC. Other information about this event can be viewed at: http://earthquake.usgs.gov/recenteqsUS/Quakes/nc40159682.htm Reviewed by: Dolenc UCB Seismological Laboratory Inversion method: complete waveform Stations used: BKS, CMB, and PKD Berkeley Moment Tensor Solution Best Fitting Double-Couple: Mo = 1.86E+21 Dyne-cm Mw = 3.48 Z = 11. km Plane Strike Rake Dip NP1 231 18 85 NP2 139 175 72 Principal Axes: Axis Value Plunge Azimuth T 1.874 16 97 N -0.034 71 246 P -1.840 9 4 Source Composition: Type Percent DC 96.4 CLVD 3.6 Iso 0.0 Event Date/Time: July 31, 2004 at 10:35:54 UTC Event ID: nc40159682 Moment Tensor: Scale = 10**21 Dyne-cm Component Value Mxx -1.764 Mxy -0.322 Mxz -0.339 Myy 1.697 Myz 0.484 Mzz 0.067 --- - --------- P ------- ------------ ---------- #---------------------------- ####----------------------------# ######------------------------##### #######----------------------######## #########------------------############ ##########---------------############## ############------------################# ##############-------#################### ###############----################# ## ###############---################## T ## ##############-----################# ## ###########--------#################### #########------------################## ######----------------############### ###--------------------############ #------------------------######## --------------------------### ------------------------- ------------------- -------