Testimonies, photostemp
Full tensors solutions
To: vallee@geoazur.unice.fr
From: scardec@geoazur.unice.fr
Subject: [SCARDEC] Recent Mw=7.3 earthquake, located in OFFSHORE EL SALVADOR
Message-Id: <20120827051835.BCA9AE74409@alto.unice.fr>
Date: Mon, 27 Aug 2012 07:18:35 +0200 (CEST)
2012 08 27 04 37 24.0 12.279 -88.530 12.0 7.3 286 14 81 115 76 92
INDICATIF_SEISME 20120827_043724_OFFSHORE_EL_SALVADOR
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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/120827043720.C000C7YW
usr/passwd : rcmt/rcmt
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General region : C000C7YW OFFSHORE EL SALVADOR
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : AAK ARU BFO CASY CCM COR CTAO DGAR ESK FFC GNI HOPE HRV KBS KEV KIP KIV KMBO KO
Origin time: 2012 240 4 37 20
Origin time reformatted: 2012-08-27 04:37:20
Original location (lat,lon,depth) : 12.3 -88.5 13
Moment tensor (x1.e26 dyncm) :
Mrr : 5.455001 Mtt : -4.367368
Mff : -1.087633 Mrt : 7.199780
Mrf : -4.194549 Mtf : 1.619251
T-axis: moment= 10.086 plunge= 60.894 azimuth= 33.616
N-axis: moment= -0.486 plunge= 3.120 azimuth= 297.998
P-axis: moment= -9.600 plunge= 28.905 azimuth= 206.273
best double couple: Mo= 9.843(x1.e26 dyncm) Mw=7.3 tau= 11.9
nodal planes (strike/dip/slip): 118.89/ 73.98/ 93.25 287.28/ 16.34/ 78.85
Centroid location : 12.268 -88.481 10.000
Centroid time : 23.530
Variance reduction (%) : 74.7
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* ooo--------------------------oo*
** ooo------------------------o**
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** oooo--------------------**
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 2 1 2 3 5 11 3 4 1 2 2 1
r-comp: 3 0 2 3 4 10 2 3 1 2 1 1
t-comp: 3 0 2 2 4 9 2 3 1 2 1 1
Total number of traces used = 99
number of runs = 1
starttime = Mon Aug 27 00:19:02 MDT 2012
depth loop = Mon Aug 27 00:19:34 MDT 2012 - Mon Aug 27 00:21:00 MDT 2012
Solution produced by inversion of channels with var red > 2%
Initial magnitude 7.3 : depth search was triggered. Initial depth 20 km.
DInit CMTDep VarRed
-------------------
020 13.382 64.72
040 16.432 63.54
060 17.618 63.45
100 10.000 49.84
200 284.875 33.61
300 347.519 36.72
400 391.074 36.75
500 436.865 35.72
600 459.249 34.88
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To: eqinfo-mt@gfz-potsdam.de
X-Original-Message-ID: <503be2ca.z6yN/8qSj7qtynHJ%eqinfo@gfz-potsdam.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Message-ID:
Subject: MT solution GFZ event gfz2012qvak
GFZ Event gfz2012qvak
12/08/27 04:37:17.95
Off Coast of Central America
Epicenter: 12.21 -88.65
MW 7.3
GFZ MOMENT TENSOR SOLUTION
Depth 15 No. of sta: 73
Moment Tensor; Scale 10**20 Nm
Mrr= 0.56 Mtt=-0.40
Mpp=-0.16 Mrt= 0.75
Mrp=-0.33 Mtp=-0.40
Principal axes:
T Val= 1.02 Plg=61 Azm= 23
N -0.10 0 114
P -0.91 29 204
Best Double Couple:Mo=9.7*10**19
NP1:Strike=114 Dip=74 Slip= 90
NP2: 295 16 91
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To: cmtcustomers@ldeo.columbia.edu
Subject: quick CMT: 2012/08/27, 04:37:20.0, OFF COAST OF CENTRAL AMERICA, MW=7.3
X-Scanned-By: MIMEDefang 2.49 on 129.236.10.30
Here is the solution for the recent event.
August 27, 2012, OFF COAST OF CENTRAL AMERICA, MW=7.3
Howard Koss
Meredith Nettles
CENTROID-MOMENT-TENSOR SOLUTION
GCMT EVENT: C201208270437A
DATA: II LD IU DK CU MN G IC GE
L.P.BODY WAVES:140S, 352C, T= 50
MANTLE WAVES: 144S, 345C, T=150
SURFACE WAVES: 150S, 366C, T= 50
TIMESTAMP: Q-20120827085123
CENTROID LOCATION:
ORIGIN TIME: 04:37:38.2 0.1
LAT:11.91N 0.00;LON: 89.18W 0.01
DEP: 12.0 FIX;TRIANG HDUR: 11.0
MOMENT TENSOR: SCALE 10**27 D-CM
RR= 0.589 0.002; TT=-0.485 0.002
PP=-0.104 0.002; RT= 0.915 0.016
RP=-0.472 0.018; TP= 0.172 0.001
PRINCIPAL AXES:
1.(T) VAL= 1.198;PLG=59;AZM= 30
2.(N) -0.043; 2; 296
3.(P) -1.155; 31; 204
BEST DBLE.COUPLE:M0= 1.18*10**27
NP1: STRIKE=287;DIP=15;SLIP= 81
NP2: STRIKE=116;DIP=76;SLIP= 92
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To: alert@emsc-csem.org, zirbes@usgs.gov
Subject: USGS Centroid Moment Tensor Solution
12/08/27 04:37:23.40
Epicenter: 12.282 -88.482
MW 7.4
USGS CENTROID MOMENT TENSOR
12/08/27 04:37:50.29
Centroid: 11.984 -88.800
Depth 19 No. of sta: 90
Moment Tensor; Scale 10**20 Nm
Mrr= 0.69 Mtt=-0.52
Mpp=-0.17 Mrt= 1.47
Mrp=-0.80 Mtp= 0.17
Principal axes:
T Val= 1.84 Plg=55 Azm= 30
N -0.10 2 298
P -1.74 35 207
Best Double Couple:Mo=1.8*10**20
NP1:Strike=118 Dip=80 Slip= 92
NP2: 289 11 81
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