This is a preliminary UCB moment tensor solution for the event located 10 km WSW of Petrolia, CA; 40.273N 124.387E; Z=22km; (USGS/UCB Joint Notification System) on March 26, 2006 at 01:56:38 UTC. Other information about this event can be viewed at: http://earthquake.usgs.gov/recenteqsus/Quakes/nc51169417.php Reviewed by: Akiko UCB Seismological Laboratory Inversion method: complete waveform Stations used: JCC, MNRC, ORV, WDC, YBH Berkeley Moment Tensor Solution Best Fitting Double-Couple: Mo = 9.23E+22 Dyne-cm Mw = 4.61 Z = 24 km Plane Strike Rake Dip NP1 190 2 88 NP2 100 178 88 Principal Axes: Axis Value Plunge Azimuth T 9.231 3 55 N 0.000 87 235 P -9.231 0 325 Event Date/Time: March 26, 2006 at 01:56:38 UTC Event ID: nc51169417 Moment Tensor: Scale = 10**22 Dyne-cm Component Value Mxx -3.175 Mxy 8.660 Mxz 0.261 Myy 3.153 Myz 0.373 Mzz 0.022 ------- -------------###### P -------------########## - -------------############ ------------------############# -------------------############# T --------------------############# # --------------------################### --------------------################### ---------------------#################### ########------------##################### ##################--##################### ####################---------############ ###################---------------------- ##################--------------------- ##################--------------------- ################--------------------- ###############-------------------- ##############------------------- ############----------------- #########---------------- ######------------- -------