This is a preliminary UCB moment tensor solution for the event located 17 km WNW of Ferndale, CA (40.609N 124.462W; Z=28.9km; ML=4.4; USGS/UCB Joint Notification System) on April 29, 2002 00:43:29 UTC. Other information about this event can be viewed at: http://ncedc.org/recenteqs/Quakes/nc51118006.html Reviewed by: Dreger UCB Seismological Laboratory Inversion method: complete waveform Stations used: HOPS WDC YBH Berkeley Moment Tensor Solution Best Fitting Double-Couple: Mo = 1.00E+23 Dyne-cm Mw = 4.63 Z = 27. km Plane Strike Rake Dip NP1 256 22 89 NP2 166 179 68 Principal Axes: Axis Value Plunge Azimuth T 10.000 16 123 N 0.000 68 259 P -10.000 15 29 Event Date/Time: April 29, 2002 00:43:29 UTC Event ID: nc51118006 Moment Tensor: Scale = 10**22 Dyne-cm Component Value Mxx -4.359 Mxy -8.214 Mxz -3.604 Myy 4.238 Myz 1.028 Mzz 0.121 ------- ####--------------- #######------------ --- ########------------- P ----- ##########------------- ------- ###########------------------------ ############------------------------- #############-------------------------- #############-------------------------- ###############--------------------###### ###############------------############## ###############-----##################### ############----######################### #####-----------######################### ----------------####################### -----------------############### #### ----------------############### T ### ----------------############## ## ----------------################# ---------------############## ---------------########## -------------###### -------