This is a preliminary UCB moment tensor solution for the event located 6 km E of Round Valley, CA; 37.408N 118.531W; Z=6.6km; ML=4.0; (USGS/UCB Joint Notification System) on January 17, 2007 at 14:01:08 UTC. Other information about this event can be viewed at: http://earthquake.usgs.gov/recenteqsus/Quakes/nc51177779.php Reviewed by: HELLWEG UCB Seismological Laboratory Inversion method: complete waveform Stations used: CMB HELL KCC Berkeley Moment Tensor Solution Best Fitting Double-Couple: Mo = 3.66E+21 Dyne-cm Mw = 3.65 Z = 5 Plane Strike Rake Dip NP1 37 17 83 NP2 305 173 73 Principal Axes: Axis Value Plunge Azimuth T 3.660 17 262 N 0.000 72 59 P -3.660 7 170 Event Date/Time: January 17, 2007 at 14:01:08 UTC Event ID: nc51177779 Moment Tensor: Scale = 10**21 Dyne-cm Component Value Mxx -3.433 Mxy 1.082 Mxz 0.284 Myy 3.174 Myz -1.086 Mzz 0.259 ------- ------------------- ------------------------- --------------------------### ---------------------------###### ####-----------------------######## ##########-----------------########## ###############------------############ ##################-------############## ######################---################ ########################-################ ## ##################----############## ## T ################--------############ ## ###############-----------########## #################---------------####### ################-----------------###### #############---------------------### ##########------------------------# ########------------------------- ####------------------------- -------------- -------- ----------- P ----- ----- Lower Hemisphere Equiangle Projection