This is a preliminary UCB moment tensor solution for the event located 76 km ENE of Eureka, CA; 41.026N 123.318W; Z=35.3km; ML=3.6; (USGS/UCB Joint Notification System) on October 20, 2005 at 16:26:50 UTC. Other information about this event can be viewed at: http://earthquake.usgs.gov/recenteqsUS/Quakes/nc51165473.htm Reviewed by: Dreger UCB Seismological Laboratory Inversion method: complete waveform Stations used: JCC YBH WDC Berkeley Moment Tensor Solution Best Fitting Double-Couple: Mo = 1.00E+22 Dyne-cm Mw = 3.97 Z = 33 km Plane Strike Rake Dip NP1 209 -80 50 NP2 13 -102 41 Principal Axes: Axis Value Plunge Azimuth T 10.000 5 291 N 0.000 8 22 P -10.000 81 171 Event Date/Time: October 20, 2005 at 16:26:50 UTC Event ID: nc51165473 Moment Tensor: Scale = 10**21 Dyne-cm Component Value Mxx 1.088 Mxy -3.349 Mxz 1.835 Myy 8.598 Myz -0.973 Mzz -9.686 ####### ################--- #################---##### ################-------###### ###############-----------####### ##############--------------####### ############---------------######## T ##########------------------######## #########-------------------######## ############--------------------######### ###########---------------------######### ##########--------- ----------######### ##########--------- P ----------######### #########---------- ---------########## ########----------------------######### ########---------------------########## #######--------------------########## ######-------------------########## #####-----------------########### ###----------------########## ##-------------########## ---------########## #######