Event 336893 Waveforms Moment Tensor
Summary:
Map includes seismicity in the last 60 days within 55 Km of this event.
Magnitude (ML) 4.21
Region 9.6 miles SW of HAWTHORNE-NV
Date time 2011-05-12 at 16:23:49.026 UTC
2011-05-12 at 09:23:49.026 PDT
Location 38.4176 ; -118.7369
Depth 4.5816 km
RMS 0.1470
Gap 068
Stations 18
Defining Phases 22
Associated Phases 32
Type Felt Local
Status Reviewed
REVIEWED BY NSL STAFF

Event ID:336893
Origin ID:795904
Algorithm: Ichinose (2003) Long Period, Regional-Distance Waves
Seismic Moment Tensor Solution

2011/05/12 (132) 16:23:50.00 38.4176 -118.7369 795904
	Depth =   4.0 (km)
	Mw    =  4.03
	Mo    =  1.38x10^22 (dyne x cm)

	Percent Double Couple =  98 %
	Percent CLVD          =   2 %
	no ISO calculated
	Epsilon=0.01
	 Percent Variance Reduction =  70.50 %
	 Total Fit                  =  27.64 
	Major Double Couple
		            strike dip   rake
		Nodal Plane 1: 224  43  -77
		Nodal Plane 2:  27  49 -102

	DEVIATORIC MOMENT TENSOR

	Moment Tensor Elements: Spherical Coordinates
		Mrr= -1.35 Mtt=  0.44 Mff=  0.90
		Mrt=  0.09 Mrf= -0.24 Mtf=  0.66 EXP=22


	Moment Tensor Elements: Cartesian Coordinates
		 0.44 -0.66  0.09
		-0.66  0.90  0.24
		 0.09  0.24 -1.35

	Eigenvalues:
		T-axis eigenvalue=  1.37
		N-axis eigenvalue=  0.01
		P-axis eigenvalue= -1.39

	Eigenvalues and eigenvectors of the Major Double Couple:
		T-axis ev= 1.37 trend=125 plunge=3
		N-axis ev= 0.00 trend=34 plunge=9
		P-axis ev=-1.37 trend=234 plunge=81

	Maximum Azmuithal Gap=147 Distance to Nearest Station= 88.0 (km)

	Number of Stations (D=Displacement/V=Velocity) Used=10 (defining only)
		
	 MLAC.CI.D CMB.BK.D PAH.NN.D TIN.CI.D
	 GRA.CI.D DAC.LB.D FUR.CI.D TPNV.US.D
	 PACP.BK.D BDM.BK.D


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                      #                                     


All Stations defining and nondefining: 
Station.Net 	Def 	Distance 	Azi    	Bazi  	lo-f 	hi-f vmodel
            	    	(km)     	(deg)  	(deg) 	(Hz) 	(Hz)    
MLAC.CI (D) 	Y 	    88.0  	186  	  6  	0.020 	0.080 MLAC.CI.wus.glib
CMB.BK (D) 	Y 	   150.6  	254  	 73  	0.020 	0.080 CMB.BK.wus.glib
PAH.NN (D) 	Y 	   154.3  	339  	158  	0.020 	0.080 PAH.NN.wus.glib
TIN.CI (D) 	Y 	   158.3  	164  	344  	0.020 	0.080 TIN.CI.wus.glib
GRA.CI (D) 	Y 	   198.1  	142  	323  	0.020 	0.080 GRA.CI.wus.glib
DAC.LB (D) 	Y 	   258.2  	157  	337  	0.020 	0.080 DAC.LB.wus.glib
FUR.CI (D) 	Y 	   272.5  	142  	323  	0.020 	0.080 FUR.CI.wus.glib
TPNV.US (D) 	Y 	   272.8  	126  	307  	0.020 	0.080 TPNV.US.wus.glib
PACP.BK (D) 	Y 	   273.5  	236  	 54  	0.020 	0.080 PACP.BK.wus.glib
BDM.BK (D) 	Y 	   278.5  	260  	 78  	0.020 	0.080 BDM.BK.wus.glib

 (V)-velocity (D)-Displacement

Author: www-data
Date: 2011/05/12 17:03:16

mtinv Version 2.1_DEVEL OCT2008

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