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/120828060816.C000C92S
usr/passwd : rcmt/rcmt
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General region : C000C92S OFFSHORE EL SALVADOR
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CCM HRV NNA SJG SSPA TUC WCI WVT
Origin time: 2012 241 6 8 16
Origin time reformatted: 2012-08-28 06:08:16
Original location (lat,lon,depth) : 12.5 -88.7 34
Moment tensor (x1.e26 dyncm) :
Mrr : -0.042868 Mtt : -0.003464
Mff : 0.046332 Mrt : -0.045235
Mrf : 0.020158 Mtf : -0.008828
T-axis: moment= 0.058 plunge= 19.859 azimuth= 246.603
N-axis: moment= 0.016 plunge= 24.743 azimuth= 147.021
P-axis: moment= -0.074 plunge= 57.380 azimuth= 10.960
best double couple: Mo= 0.066(x1.e26 dyncm) Mw=5.8 tau= 2.2
nodal planes (strike/dip/slip): 11.57/ 33.30/-40.33 136.93/ 69.18/-116.60
Centroid location : 10.925 -89.096 47.915
Centroid time : 2.719
Variance reduction (%) : 26.2
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*---- oo P o -*
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*------- oo oo ---*
**---------oo o ---**
**----------ooo + oo----**
**------------oo o ----**
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 0 0 1 0 4 1 1 0 0 0 0
r-comp: 1 0 0 1 0 2 0 1 0 0 0 0
t-comp: 0 0 0 0 0 2 0 0 0 0 0 0
Total number of traces used = 14
number of runs = 2
starttime = Tue Aug 28 00:28:23 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 gfz2012qwyx
GFZ Event gfz2012qwyx
12/08/28 06:08:16.33
Off Coast of Central America
Epicenter: 12.53 -88.70
MW 5.4
GFZ MOMENT TENSOR SOLUTION
Depth 10 No. of sta: 62
Moment Tensor; Scale 10**17 Nm
Mrr=-1.35 Mtt= 1.25
Mpp= 0.11 Mrt=-0.08
Mrp=-0.57 Mtp= 1.25
Principal axes:
T Val= 1.27 Plg= 0 Azm=188
N 0.28 19 98
P -1.55 71 278
Best Double Couple:Mo=1.4*10**17
NP1:Strike= 80 Dip=48 Slip=-115
NP2: 296 48 -63
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To: cmtcustomers@ldeo.columbia.edu
Subject: quick CMT: 2012/08/28, 06:08:16.6, OFF COAST OF CENTRAL AMERICA, MW=5.5
X-Scanned-By: MIMEDefang 2.49 on 129.236.10.30
Here is the solution for the recent event.
August 28, 2012, OFF COAST OF CENTRAL AMERICA, MW=5.5
Howard Koss
Meredith Nettles
CENTROID-MOMENT-TENSOR SOLUTION
GCMT EVENT: C201208280608A
DATA: II IU MN G CU IC LD GE DK
L.P.BODY WAVES:102S, 183C, T= 40
MANTLE WAVES: 33S, 35C, T=125
SURFACE WAVES: 132S, 248C, T= 50
TIMESTAMP: Q-20120828100612
CENTROID LOCATION:
ORIGIN TIME: 06:08:16.5 0.1
LAT:12.27N 0.01;LON: 89.01W 0.01
DEP: 12.0 FIX;TRIANG HDUR: 1.4
MOMENT TENSOR: SCALE 10**24 D-CM
RR=-1.530 0.020; TT= 1.640 0.017
PP=-0.104 0.023; RT=-1.350 0.048
RP= 0.721 0.059; TP=-0.311 0.017
PRINCIPAL AXES:
1.(T) VAL= 2.265;PLG=21;AZM=194
2.(N) -0.071; 10; 288
3.(P) -2.188; 66; 42
BEST DBLE.COUPLE:M0= 2.23*10**24
NP1: STRIKE=266;DIP=25;SLIP=-114
NP2: STRIKE=113;DIP=67;SLIP= -79
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To: alert@emsc-csem.org, zirbes@usgs.gov
Subject: USGS WPhase Moment Tensor Solution
12/ 8/28 6: 8:16.00
Epicenter: 12.498 -88.650
MW 5.5
USGS/WPHASE CENTROID MOMENT TENSOR
12/ 8/28 6: 8:16.00
Centroid: 12.498 -88.650
Depth 15 No. of sta: 35
Moment Tensor; Scale 10**17 Nm
Mrr=-1.39 Mtt= 1.01
Mpp= 0.37 Mrt=-1.69
Mrp= 0.52 Mtp=-0.60
Principal axes:
T Val= 2.21 Plg=25 Azm=205
N = 0.06 6 112
P = -2.27 63 9
Best Double Couple:Mo=2.2*10**17
NP1:Strike=311 Dip=20 Slip= -70
NP2: 110 71 -96
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