Summary:
| Map includes seismicity in the last 60 days within 55 Km of this event. | ||
| ► Magnitude (ML) | 4.38 | |
| ► Region | 5.7 mi WNW of Glenbrook | |
| ► Date time | 2021-05-28 at 15:25:21.111 UTC 2021-05-28 at 08:25:21.111 PDT | |
| ► Location | 39.1227 ; -120.0362 | |
| ► Depth | 9.57 km | |
| ► RMS | 0.1770 | |
| ► Gap | 035 | |
| ► Stations | 48 | |
| ► Defining Phases | 90 | |
| ► Associated Phases | 132 | |
| ► Type | Local | |
| ► Status | Reviewed | |
| ► Page Updated | 2021-05-28 at 09:25:09.232 | |
REVIEWED BY NSL STAFF
Event ID:808315
Origin ID:2048531
Algorithm: Ichinose (2003) Long Period, Regional-Distance Waves
Seismic Moment Tensor Solution
2021/05/28 (148) 15:25:22.00 39.1247 -120.0302 001
Depth = 10.0 (km)
Mw = 4.04
Mo = 1.44x10^22 (dyne x cm)
Percent Double Couple = 95 %
Percent CLVD = 5 %
no ISO calculated
Epsilon=0.02
Percent Variance Reduction = 77.19 %
Total Fit = 13.71
Major Double Couple
strike dip rake
Nodal Plane 1: 333 83 -179
Nodal Plane 2: 243 89 -7
DEVIATORIC MOMENT TENSOR
Moment Tensor Elements: Spherical Coordinates
Mrr= -0.04 Mtt= -1.12 Mff= 1.16
Mrt= 0.16 Mrf= 0.07 Mtf= 0.83 EXP=22
Moment Tensor Elements: Cartesian Coordinates
-1.12 -0.83 0.16
-0.83 1.16 -0.07
0.16 -0.07 -0.04
Eigenvalues:
T-axis eigenvalue= 1.44
N-axis eigenvalue= -0.03
P-axis eigenvalue= -1.40
Eigenvalues and eigenvectors of the Major Double Couple:
T-axis ev= 1.44 trend=288 plunge=5
N-axis ev= 0.00 trend=57 plunge=83
P-axis ev=-1.44 trend=198 plunge=6
Maximum Azmuithal Gap=147 Distance to Nearest Station= 18.4 (km)
Number of Stations (D=Displacement/V=Velocity) Used=10 (defining only)
MPK.NN.D WASH.NN.D PNT.NN.D REDF.NN.D
BFC.NN.D YER.NN.D PAH.NN.D WAK.NN.D
BEK.NN.D CMB.BK.D
-----------------
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###########----------------------
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-#################--------------------###
###################---------------#######
T ####################-----------###########
#####################------###############
#######################-####################
############################################
######################-#####################
##################------####################
##############-----------##################
###########---------------#################
######--------------------###############
##------------------------##############
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--- ----------------###
P ---------------
All Stations defining and nondefining:
Station.Net Def Distance Azi Bazi lo-f hi-f vmodel
(km) (deg) (deg) (Hz) (Hz)
MPK.NN (D) Y 18.4 357 177 0.020 0.100 MPK.NN.wus.glib
WASH.NN (D) Y 31.4 43 223 0.020 0.100 WASH.NN.wus.glib
PNT.NN (D) Y 37.3 96 276 0.020 0.100 PNT.NN.wus.glib
REDF.NN (D) Y 37.5 38 218 0.020 0.100 REDF.NN.wus.glib
BFC.NN (D) Y 44.7 126 306 0.020 0.100 BFC.NN.wus.glib
YER.NN (D) Y 69.8 102 283 0.020 0.100 YER.NN.wus.glib
PAH.NN (D) Y 85.1 40 220 0.020 0.100 PAH.NN.wus.glib
WAK.NN (D) Y 86.2 143 324 0.020 0.100 WAK.NN.wus.glib
BEK.NN (D) Y 87.5 341 161 0.020 0.100 BEK.NN.wus.glib
CMB.BK (D) Y 125.6 195 14 0.020 0.080 CMB.BK.wus.glib
(V)-velocity (D)-Displacement
Author: www-data
Date: 2021/05/28 16:11:53 UTC
Date: 2021/05/28 09:11:53 PDT
mtinv Version 3.0.6 Thu Jan 11 16:00:25 PST 2018
index
