Testimonies, photostemp
Full tensors solutions
Errors-To: researchcmt-bounces@geohazards.usgs.gov
USGS research CMT: maintained and developed by Jascha Polet at Cal Poly Pomona.
This is a research system and solutions are *not* official USGS earthquake magnitudes.
AUTOMATIC solution, not reviewed by a seismologist, new beta version 2/13/12
More details on this rCMT at http://neic.cr.usgs.gov/beta/rcmt/events/120819080736.C000C2X2
usr/passwd : rcmt/rcmt
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General region : C000C2X2 OFF COAST OF WASHINGTON
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CCM HKT HRV KIP SSPA TUC WCI WVT
Origin time: 2012 232 8 7 36
Origin time reformatted: 2012-08-19 08:07:36
Original location (lat,lon,depth) : 47.8 -128.6 10
Moment tensor (x1.e26 dyncm) :
Mrr : -0.001274 Mtt : -0.028265
Mff : 0.029539 Mrt : -0.210920
Mrf : 0.022949 Mtf : 0.000710
T-axis: moment= 0.198 plunge= 46.757 azimuth= 188.080
N-axis: moment= 0.029 plunge= 1.550 azimuth= 96.431
P-axis: moment= -0.227 plunge= 43.201 azimuth= 4.975
best double couple: Mo= 0.213(x1.e26 dyncm) Mw=6.2 tau= 3.3
nodal planes (strike/dip/slip): 55.38/ 2.36/ 48.93 276.48/ 88.22/ 91.54
Centroid location : 47.815 -129.005 10.000
Centroid time : -4.777
Variance reduction (%) : 48.6
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 1 4 2 0 0 0 0 0 0 1 0
r-comp: 0 1 1 2 0 0 0 0 0 0 1 0
t-comp: 0 1 0 0 0 0 0 0 0 0 1 0
Total number of traces used = 15
number of runs = 6
starttime = Sun Aug 19 02:22:59 MDT 2012
Solution produced by inversion of channels with var red > 2%
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To: eqinfo-mt@gfz-potsdam.de
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Message-ID:
Subject: MT solution GFZ event gfz2012qgrh
GFZ Event gfz2012qgrh
12/08/19 08:07:35.52
Off Coast of Washington
Epicenter: 47.75 -128.76
MW 5.5
GFZ MOMENT TENSOR SOLUTION
Depth 10 No. of sta: 41
Moment Tensor; Scale 10**17 Nm
Mrr=-0.43 Mtt=-1.82
Mpp= 2.26 Mrt= 0.05
Mrp=-0.87 Mtp=-1.82
Principal axes:
T Val= 2.51 Plg=16 Azm= 90
N -0.69 73 279
P -1.83 3 181
Best Double Couple:Mo=2.3*10**17
NP1:Strike=134 Dip=80 Slip= 166
NP2: 227 77 10
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To: cmtcustomers@ldeo.columbia.edu
Subject: quick CMT: 2012/08/19, 08:07:36.0, OFF COAST OF WASHINGTON, MW=5.6
X-Scanned-By: MIMEDefang 2.49 on 129.236.10.30
Here is the solution for the recent event.
August 19, 2012, OFF COAST OF WASHINGTON, MW=5.6
Goran Ekstrom
Meredith Nettles
CENTROID-MOMENT-TENSOR SOLUTION
GCMT EVENT: C201208190807A
DATA: II LD IU CU MN G IC GE DK
L.P.BODY WAVES:118S, 214C, T= 40
SURFACE WAVES: 148S, 304C, T= 50
TIMESTAMP: Q-20120819174333
CENTROID LOCATION:
ORIGIN TIME: 08:07:36.9 0.1
LAT:47.48N 0.01;LON:129.03W 0.01
DEP: 19.5 0.6;TRIANG HDUR: 1.6
MOMENT TENSOR: SCALE 10**24 D-CM
RR=-0.271 0.042; TT=-3.460 0.041
PP= 3.730 0.040; RT= 0.139 0.091
RP= 0.634 0.083; TP=-0.118 0.032
PRINCIPAL AXES:
1.(T) VAL= 3.829;PLG= 9;AZM=269
2.(N) -0.361; 81; 72
3.(P) -3.469; 3; 179
BEST DBLE.COUPLE:M0= 3.65*10**24
NP1: STRIKE=314;DIP=82;SLIP= 176
NP2: STRIKE= 44;DIP=86;SLIP= 8
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To: alert@emsc-csem.org, zirbes@usgs.gov
Subject: USGS WPhase Moment Tensor Solution
12/08/19 8:07:36
Epicenter: 47.772 -128.625
MW 5.6
USGS/WPHASE CENTROID MOMENT TENSOR
12/08/19 08:07:36.00
Centroid: 47.572 -128.923
Depth 11 No. of sta: 35
Moment Tensor; Scale 10**17 Nm
Mrr=-0.32 Mtt=-2.64
Mpp= 2.96 Mrt=-1.12
Mrp= 1.61 Mtp=-0.32
Principal axes:
T Val= 3.71 Plg=23 Azm=262
N = -0.59 55 133
P = -3.12 23 3
Best Double Couple:Mo=3.5*10**17
NP1:Strike= 43 Dip=56 Slip= 0
NP2: 133 90 -145
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