This is a preliminary UCB moment tensor solution for the event located 2 km NE of Piedmont, CA; 37.8328N 122.2163W; Z=6.km; ML=3.2; (USGS/UCB Joint Notification System) on September 24, 2005 at 11:25:16 UTC. Other information about this event can be viewed at: http://earthquake.usgs.gov/recenteqsUS/Quakes/nc40179595.htm Reviewed by: Dolenc UCB Seismological Laboratory Inversion method: complete waveform Stations used: CVS Berkeley Moment Tensor Solution Best Fitting Double-Couple: Mo = 9.04E+20 Dyne-cm Mw = 3.27 Z = 5. km Plane Strike Rake Dip NP1 221 11 84 NP2 130 174 79 Principal Axes: Axis Value Plunge Azimuth T 9.038 12 86 N 0.000 77 249 P -9.038 3 355 Event Date/Time: September 24, 2005 at 11:25:16 UTC Event ID: nc40179595 Moment Tensor: Scale = 10**20 Dyne-cm Component Value Mxx -8.891 Mxy 1.405 Mxz -0.407 Myy 8.533 Myz 1.881 Mzz 0.359 P ---- ------ ---------- ------------------------- ---------------------------## #--------------------------###### ###-----------------------######### ######-------------------############ ########----------------############### ##########-------------################ #############---------############### # ###############-----################# T # #################--################## # #################--###################### ################-----#################### #############---------################# ############-------------############## #########------------------########## #######----------------------###### #####---------------------------# #---------------------------- ------------------------- ------------------- -------