This is a preliminary UCB moment tensor solution for the event located 4 km SW of Anderson Springs, CA; 38.7467N 122.7268W; Z=2.9km; ML=4.3; (USGS/UCB Joint Notification System) on December 27, 2004 at 10:36:23 UTC. Other information about this event can be viewed at: http://earthquake.usgs.gov/recenteqsUS/Quakes/nc40170103.htm Reviewed by: Dolenc UCB Seismological Laboratory Inversion method: complete waveform Stations used: BKS, CVS, and ORV Berkeley Moment Tensor Solution Best Fitting Double-Couple: Mo = 3.13E+22 Dyne-cm Mw = 4.30 Z = 5. km Plane Strike Rake Dip NP1 111 -72 48 NP2 265 -109 45 Principal Axes: Axis Value Plunge Azimuth T 3.127 2 188 N 0.000 13 279 P -3.127 77 92 Event Date/Time: December 27, 2004 at 10:36:23 UTC Event ID: nc40170103 Moment Tensor: Scale = 10**22 Dyne-cm Component Value Mxx 3.059 Mxy 0.456 Mxz -0.059 Myy -0.101 Myz -0.715 Mzz -2.958 ####### ################### ######################### ############################# ################################# ################################### ############----------------######### ########-------------------------###### -####-------------------------------### ---#-----------------------------------## --##------------------ ---------------- -####----------------- P ---------------- ######---------------- ---------------- ########--------------------------------- ##########----------------------------- #############-------------------------- ################------------------### ################################### ################################# ############################# ######################### ##### ########### T #####