This is a preliminary UCB moment tensor solution for the event located 15 km NW of Pinnacles, CA; 36.6352N 121.2532W; Z=10.8km; ML=3.9; (USGS/UCB Joint Notification System) on December 15, 2004 at 04:16:52 UTC. Other information about this event can be viewed at: http://earthquake.usgs.gov/recenteqsUS/Quakes/nc40169581.htm Reviewed by: Dolenc UCB Seismological Laboratory Inversion method: complete waveform Stations used: BKS, CMB, KCC, and PKD Berkeley Moment Tensor Solution Best Fitting Double-Couple: Mo = 5.11E+21 Dyne-cm Mw = 3.77 Z = 14. km Plane Strike Rake Dip NP1 227 14 86 NP2 136 175 76 Principal Axes: Axis Value Plunge Azimuth T 5.058 13 92 N 0.104 75 244 P -5.162 7 0 Source Composition: Type Percent DC 96.0 CLVD 4.0 Iso 0.0 Event Date/Time: December 15, 2004 at 04:16:52 UTC Event ID: nc40169581 Moment Tensor: Scale = 10**21 Dyne-cm Component Value Mxx -5.083 Mxy -0.207 Mxz -0.652 Myy 4.800 Myz 1.082 Mzz 0.283 -- -- -------- P -------- ----------- ----------- ----------------------------- ###---------------------------### #####------------------------###### #######--------------------########## #########-----------------############# ###########-------------############### #############----------################## ###############------################ # ##################################### T # ##################################### # ################---###################### #############-------################### ###########------------################ ########----------------############# #####---------------------######### ##--------------------------##### ----------------------------- ------------------------- ------------------- -------