Summary:
| Map includes seismicity in the last 60 days within 55 Km of this event. | ||
| ► Magnitude (ML) | 3.51 | |
| ► Region | 5.8 mi NNE of Tahoe_City | |
| ► Date time | 2018-07-26 at 07:22:25.252 UTC 2018-07-26 at 00:22:25.252 PDT | |
| ► Location | 39.2284 ; -120.1018 | |
| ► Depth | 9.00 km | |
| ► RMS | 0.1581 | |
| ► Gap | 065 | |
| ► Stations | 38 | |
| ► Defining Phases | 59 | |
| ► Associated Phases | 101 | |
| ► Type | Local | |
| ► Status | Reviewed | |
| ► Page Updated | 2018-07-30 at 16:01:32.817 | |
REVIEWED BY NSL STAFF
Event ID:646680
Origin ID:1731067
Algorithm: Ichinose (2003) Long Period, Regional-Distance Waves
Seismic Moment Tensor Solution
2018/07/26 (207) 07:22:26.00 39.2281 -120.1045 1731065
Depth = 10.0 (km)
Mw = 3.42
Mo = 1.66x10^21 (dyne x cm)
Percent Double Couple = 95 %
Percent CLVD = 5 %
no ISO calculated
Epsilon=-0.03
Percent Variance Reduction = 48.15 %
Total Fit = 7.88
Major Double Couple
strike dip rake
Nodal Plane 1: 253 72 -8
Nodal Plane 2: 345 82 -162
DEVIATORIC MOMENT TENSOR
Moment Tensor Elements: Spherical Coordinates
Mrr= -0.17 Mtt= -0.75 Mff= 0.92
Mrt= 0.31 Mrf= -0.43 Mtf= 1.33 EXP=21
Moment Tensor Elements: Cartesian Coordinates
-0.75 -1.33 0.31
-1.33 0.92 0.43
0.31 0.43 -0.17
Eigenvalues:
T-axis eigenvalue= 1.68
N-axis eigenvalue= -0.04
P-axis eigenvalue= -1.64
Eigenvalues and eigenvectors of the Major Double Couple:
T-axis ev= 1.68 trend=118 plunge=7
N-axis ev= 0.00 trend=7 plunge=70
P-axis ev=-1.68 trend=210 plunge=18
Maximum Azmuithal Gap=193 Distance to Nearest Station= 28.1 (km)
Number of Stations (D=Displacement/V=Velocity) Used=9 (defining only)
ZPR.NN.D REDF.NN.D PNT.NN.D BEK.NN.D
YER.NN.D PAH.NN.D WAK.NN.D KVN.NN.D
LHV.NN.D
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- P ---------------##########
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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)
ZPR.NN (D) Y 28.1 150 330 0.020 0.080 ZPR.NN.wus.glib
REDF.NN (D) Y 34.7 59 239 0.020 0.080 REDF.NN.wus.glib
PNT.NN (D) Y 46.1 109 290 0.020 0.080 PNT.NN.wus.glib
BEK.NN (D) Y 74.6 343 163 0.020 0.080 BEK.NN.wus.glib
YER.NN (D) Y 79.1 109 290 0.020 0.080 YER.NN.wus.glib
PAH.NN (D) Y 81.4 49 229 0.020 0.080 PAH.NN.wus.glib
WAK.NN (D) Y 99.2 144 325 0.020 0.080 WAK.NN.wus.glib
KVN.NN (D) Y 173.9 96 277 0.020 0.080 KVN.NN.wus.glib
LHV.NN (D) Y 176.5 128 309 0.020 0.080 LHV.NN.wus.glib
(V)-velocity (D)-Displacement
Author: www-data
Date: 2018/07/26 08:25:54
mtinv Version 2.1_DEVEL OCT2008
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