Testimonies, photostemp
Full tensors solutions
To: vallee@geoazur.unice.fr
From: scardec@geoazur.unice.fr
Subject: [SCARDEC] Recent Mw=6.8 earthquake, located in JAN MAYEN ISLAND REGION
Message-Id: <20120830142658.0E971E74408@alto.unice.fr>
Date: Thu, 30 Aug 2012 16:26:58 +0200 (CEST)
2012 08 30 13 43 24.0 71.462 -10.723 22.0 6.8 21 90 169 111 79 0
INDICATIF_SEISME 20120830_134324_JAN_MAYEN_ISLAND_REGION
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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/120830134324.C000CB69
usr/passwd : rcmt/rcmt
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General region : C000CB69 JAN MAYEN ISLAND REGION
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : ARU BFO FFC GNI HRV KIV OBN TIXI
Origin time: 2012 243 13 43 24
Origin time reformatted: 2012-08-30 13:43:24
Original location (lat,lon,depth) : 71.5 -10.7 10
Moment tensor (x1.e26 dyncm) :
Mrr : -0.091206 Mtt : 1.153114
Mff : -1.061908 Mrt : 0.628550
Mrf : -0.289173 Mtf : 1.207516
T-axis: moment= 1.800 plunge= 14.200 azimuth= 338.476
N-axis: moment= -0.041 plunge= 66.893 azimuth= 104.848
P-axis: moment= -1.760 plunge= 17.839 azimuth= 243.805
best double couple: Mo= 1.780(x1.e26 dyncm) Mw=6.8 tau= 6.7
nodal planes (strike/dip/slip): 21.71/ 67.04/-177.31 290.66/ 87.53/-22.98
Centroid location : 71.742 -10.365 23.565
Centroid time : 6.588
Variance reduction (%) : 60.5
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**--------------------o **
**---------------------o **
*-----------------------o *
*-----------------------o *
** oo-o------------------o **
* oooo------------oo *
** oooooo------o **
** o+oooooo **
** ooooo **
* o ---o-oo *
** oo---------o-o**
* P oo-------------*
* ooo-------------*
** oo-------------**
** oo-------------**
*** ooo -----------***
****o ---------****
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 1 3 1 0 1 0 0 1 1 0 0
r-comp: 0 1 3 1 0 1 0 0 0 1 0 0
t-comp: 0 1 3 1 0 0 0 0 0 1 0 0
Total number of traces used = 21
number of runs = 4
starttime = Thu Aug 30 08:02:23 MDT 2012
depth loop = Thu Aug 30 08:09:58 MDT 2012 - Thu Aug 30 08:10:09 MDT 2012
Solution produced by inversion of channels with var red > 2%
Initial magnitude 6.6 : depth search was triggered. Initial depth 9 km.
DInit CMTDep VarRed
-------------------
020 10.000 27.95
040 10.000 37.18
060 10.000 36.63
100 10.000 36.67
200 146.696 11.35
300 147.130 12.99
400 10.000 14.85
500 244.819 8.92
600 446.004 5.04
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To: eqinfo-mt@gfz-potsdam.de
X-Original-Message-ID: <503f7b09.uWMMXdA74XdfyrZp%eqinfo@gfz-potsdam.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Message-ID:
Subject: MT solution GFZ event gfz2012rbex
GFZ Event gfz2012rbex
12/08/30 13:43:27.23
Jan Mayen Island Region
Epicenter: 71.31 -10.73
MW 6.7
GFZ MOMENT TENSOR SOLUTION
Depth 20 No. of sta: 45
Moment Tensor; Scale 10**19 Nm
Mrr=-0.25 Mtt= 1.03
Mpp=-0.78 Mrt=-0.34
Mrp=-0.37 Mtp= 1.03
Principal axes:
T Val= 1.53 Plg=15 Azm=156
N -0.32 70 20
P -1.21 13 250
Best Double Couple:Mo=1.4*10**19
NP1:Strike=293 Dip=70 Slip= 1
NP2: 203 89 160
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To: cmtcustomers@ldeo.columbia.edu
Subject: quick CMT: 2012/08/30, 13:43:24.7, JAN MAYEN ISLAND REGION, MW=6.7
X-Scanned-By: MIMEDefang 2.49 on 129.236.10.30
Here is the solution for the recent event.
August 30, 2012, JAN MAYEN ISLAND REGION, MW=6.7
Howard Koss
CENTROID-MOMENT-TENSOR SOLUTION
GCMT EVENT: C201208301343A
DATA: II LD IU CU MN G IC GE DK
L.P.BODY WAVES:137S, 335C, T= 50
MANTLE WAVES: 132S, 286C, T=125
SURFACE WAVES: 148S, 348C, T= 50
TIMESTAMP: Q-20120830125010
CENTROID LOCATION:
ORIGIN TIME: 13:43:35.3 0.0
LAT:71.45N 0.00;LON: 9.89W 0.01
DEP: 25.0 0.2;TRIANG HDUR: 5.7
MOMENT TENSOR: SCALE 10**26 D-CM
RR=-0.007 0.006; TT= 1.060 0.008
PP=-1.050 0.006; RT= 0.129 0.018
RP= 0.376 0.017; TP= 1.180 0.006
PRINCIPAL AXES:
1.(T) VAL= 1.633;PLG=10;AZM=335
2.(N) 0.000; 76; 203
3.(P) -1.631; 10; 67
BEST DBLE.COUPLE:M0= 1.63*10**26
NP1: STRIKE=111;DIP=76;SLIP= -1
NP2: STRIKE=201;DIP=89;SLIP=-166
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To: alert@emsc-csem.org, zirbes@usgs.gov
Subject: USGS Body-Wave Moment Tensor Solution
12/08/30 13:43:24.75
Epicenter: 71.451 -10.900
MW 6.6
USGS MOMENT TENSOR SOLUTION
Depth 16 No. of sta: 45
Moment Tensor; Scale 10**19 Nm
Mrr= 0.11 Mtt= 0.69
Mpp=-0.79 Mrt=-0.22
Mrp=-0.19 Mtp= 0.66
Principal axes:
T Val= 1.02 Plg=17 Azm=158
N 0.03 72 355
P -1.05 5 250
Best Double Couple:Mo=1.0*10**19
NP1:Strike=295 Dip=75 Slip= 9
NP2: 203 82 164
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