This is a preliminary UCB moment tensor solution for the event located 5 km N of Hydesville, CA; 40.5882N 124.0865W; Z=27.75km; ML=3.9; (USGS/UCB Joint Notification System) on April 22, 2003 at 10:46:09 UTC. Other information about this event can be viewed at: http://earthquake.usgs.gov/recenteqsUS/Quakes/nc51127607.htm Reviewed by: Templeton UCB Seismological Laboratory Inversion method: complete waveform Stations used: HOPS ORV WDC YBH MOD Berkeley Moment Tensor Solution Best Fitting Double-Couple: Mo = 3.76E+22 Dyne-cm Mw = 4.35 Z = 27 km Plane Strike Rake Dip NP1 40 -33 84 NP2 134 -173 57 Principal Axes: Axis Value Plunge Azimuth T 3.758 18 91 N 0.000 57 211 P -3.758 27 352 Event Date/Time: April 22, 2003 at 10:46:09 UTC Event ID: nc51127607 Moment Tensor: Scale = 10**22 Dyne-cm Component Value Mxx -2.911 Mxy 0.335 Mxz -1.539 Myy 3.336 Myz 1.322 Mzz -0.426 ------- ------------------- --------- ------------- ----------- P -------------## ##----------- ------------##### ###-------------------------####### ####-----------------------########## ######---------------------############ #######-------------------############# ########-----------------################ #########---------------############ ## ###########-----------############## T ## ############---------############### ## ##############-----###################### ##############---###################### ###############--###################### ############------################### #########-----------############### ######-----------------########## ##--------------------------- ------------------------- ------------------- -------