========================================================================= This is a preliminary UCB moment tensor solution for the event located 11 km] S of Tres Pinos, CA (36.683N 121.319W; Z=5.8 km; ML3.9; USGS/UCB Joint Notification System) on July 3, 2001 at 19:07:16UTC. A Mw4.0 and depth of 11 km were obtained from long-period waves recorded by BDM, BKS, and MHC. Best Fitting Double-Couple: Mo = 1.23E+22 Dyne-cm Mw = 4.03 Z = 11 km Plane Strike Rake Dip NP1 133 -154 76 NP2 36 -16 65 Principal Axes: Axis Value Plunge Azimuth T 1.230 7 263 N 0.000 61 159 P -1.230 28 357 Moment Tensor: Scale = 10**22 Dyne-cm Component Value Mxx -0.935 Mxy 0.201 Mxz -0.531 Myy 1.188 Myz -0.129 Mzz -0.253 ------- ------------------- ---------- ------------ ------------ P ------------## ##------------ -----------##### ####-------------------------###### ######------------------------####### #########---------------------######### ##########-------------------########## ############-----------------############ ##############--------------############# #############-----------############## T ###############--------############### #################-----################ #####################-################# #####################--################ ##################-------############ ###############------------######## ############-----------------#### #######---------------------- ------------------------- ------------------- ------- Lower Hemisphere Equiangle Projection =========================================================================