Event 823845 Waveforms Moment Tensor Graphs
Summary:
Map includes seismicity in the last 60 days within 55 Km of this event.
Magnitude (ML)3.94
Region 9.9 mi S of Topaz_Lake
Date time 2021-09-28 at 15:12:11.898 UTC
2021-09-28 at 08:12:11.898 PDT
Location 38.5424 ; -119.5322
Depth 7.65 km
RMS 0.1253
Gap 086
Stations 26
Defining Phases 42
Associated Phases 98
Type Local
Status Reviewed
Page Updated 2021-09-28 at 08:28:27.979
REVIEWED BY NSL STAFF

Event ID:823845
Origin ID:2079033
Algorithm: Ichinose (2003) Long Period, Regional-Distance Waves
Seismic Moment Tensor Solution

2021/09/28 (271) 15:12:13.00 38.5420 -119.5372 001
	Depth =   6.0 (km)
	Mw    =  3.71
	Mo    =  4.50x10^21 (dyne x cm)

	Percent Double Couple =  97 %
	Percent CLVD          =   3 %
	no ISO calculated
	Epsilon=0.01
	 Percent Variance Reduction =  49.79 %
	 Total Fit                  =  13.19 
	Major Double Couple
		            strike dip   rake
		Nodal Plane 1: 162  48 -175
		Nodal Plane 2:  69  86  -43

	DEVIATORIC MOMENT TENSOR

	Moment Tensor Elements: Spherical Coordinates
		Mrr= -0.39 Mtt= -1.85 Mff=  2.24
		Mrt= -2.86 Mrf= -0.93 Mtf=  2.58 EXP=21


	Moment Tensor Elements: Cartesian Coordinates
		-1.85 -2.58 -2.86
		-2.58  2.24  0.93
		-2.86  0.93 -0.39

	Eigenvalues:
		T-axis eigenvalue=  4.50
		N-axis eigenvalue= -0.06
		P-axis eigenvalue= -4.44

	Eigenvalues and eigenvectors of the Major Double Couple:
		T-axis ev= 4.50 trend=124 plunge=26
		N-axis ev= 0.00 trend=245 plunge=47
		P-axis ev=-4.50 trend=17 plunge=31

	Maximum Azmuithal Gap=114 Distance to Nearest Station=  9.7 (km)

	Number of Stations (D=Displacement/V=Velocity) Used=8 (defining only)
		
	 WAK.NN.D BFC.NN.D PNT.NN.D TBRD.NN.D
	 CMB.BK.D MPK.NN.D NV31.IM.D WVA.NN.D


              ##---------------                             
          ######--------   --------                         
        ######---------- P ----------                       
      #######-----------   ------------                     
     #######----------------------------                    
    ########-----------------------------                   
  -#########-------------------------------                 
  #########-------------------------------#                 
 ##########---------------------------######                
 ##########-----------------------##########                
 ##########-------------------###############               
 ##########--------------####################               
 ###########--------#########################               
 ###########---##############################               
 ###########################################                
 #########--################################                
  ##---------######################   #####                 
   -----------##################### T #####                 
   ------------####################   ####                  
     ------------########################                   
      ------------#####################                     
        ------------#################                       
          -------------############                         
              -------------#####                            
                                                            


All Stations defining and nondefining: 
Station.Net 	Def 	Distance 	Azi    	Bazi  	lo-f 	hi-f vmodel
            	    	(km)     	(deg)  	(deg) 	(Hz) 	(Hz)    
WAK.NN (D) 	Y 	     9.7  	119  	299  	0.020 	0.100 WAK.NN.wus.glib
BFC.NN (D) 	Y 	    39.2  	351  	171  	0.020 	0.100 BFC.NN.wus.glib
PNT.NN (D) 	Y 	    61.1  	355  	175  	0.020 	0.100 PNT.NN.wus.glib
TBRD.NN (D) 	Y 	    77.6  	334  	154  	0.020 	0.100 TBRD.NN.wus.glib
CMB.BK (D) 	Y 	    93.6  	233  	 52  	0.020 	0.100 CMB.BK.wus.glib
MPK.NN (D) 	Y 	    93.8  	333  	152  	0.020 	0.100 MPK.NN.wus.glib
NV31.IM (D) 	Y 	   120.4  	 96  	276  	0.020 	0.080 NV31.IM.wus.glib
WVA.NN (D) 	Y 	   157.2  	351  	171  	0.020 	0.080 WVA.NN.wus.glib

 (V)-velocity (D)-Displacement

Author: www-data
Date: 2021/09/28 16:02:08 UTC

Date: 2021/09/28 09:02:08 PDT

mtinv Version 3.0.6 Thu Jan 11 16:00:25 PST 2018

index

Source: Nevada Seismological Laboratory


Source: Nevada Seismological Laboratory


Source: Nevada Seismological Laboratory


Source: Nevada Seismological Laboratory


Source: Nevada Seismological Laboratory


Source: Nevada Seismological Laboratory


Source: Nevada Seismological Laboratory

Note: Graphs are auto-generated: not reviewed by NSL staff