This is a preliminary UCB moment tensor solution for the event located 71 km WNW of Ferndale, CA; 40.754N 125.076W; Z=5.km; ML=3.7; (USGS/UCB Joint Notification System) on June 17, 2004 at 18:43:55 UTC. Other information about this event can be viewed at: http://earthquake.usgs.gov/recenteqsUS/Quakes/nc40158002.htm Reviewed by: David Dolenc UCB Seismological Laboratory Inversion method: complete waveform Stations used: JCC WDC YBH Berkeley Moment Tensor Solution Best Fitting Double-Couple: Mo = 5.64E+21 Dyne-cm Mw = 3.80 Z = 5. km Plane Strike Rake Dip NP1 149 -165 79 NP2 56 -12 76 Principal Axes: Axis Value Plunge Azimuth T 6.088 2 282 N -0.901 72 186 P -5.187 18 13 Source Composition: Type Percent DC 70.4 CLVD 29.6 Iso 0.0 Event Date/Time: June 17, 2004 at 18:43:55 UTC Event ID: nc40158002 Moment Tensor: Scale = 10**21 Dyne-cm Component Value Mxx -4.266 Mxy -2.289 Mxz -1.179 Myy 5.571 Myz -0.536 Mzz -1.306 ------- ------------ ---- ###------------ P ------- #####------------ --------- ########------------------------- ##########-----------------------## ###########----------------------#### #############--------------------###### ############------------------######## T #############----------------########## #############--------------############ ################------------############# ################----------############### ###############----------################ #############-----------############### ###########-------------############### ########---------------############## ###--------------------############ -----------------------########## ----------------------####### ---------------------#### ------------------- -------