Testimonies, photostemp
Full tensors solutions
To: vallee@geoazur.unice.fr
From: scardec@geoazur.unice.fr
Subject: [SCARDEC] Recent Mw=7.6 earthquake, located in PHILIPPINE ISLANDS REGION
Message-Id: <20120831133251.1E175E74409@alto.unice.fr>
Date: Fri, 31 Aug 2012 15:32:51 +0200 (CEST)
2012 08 31 12 47 35.0 10.828 126.677 33.0 7.6 349 39 71 193 54 105
INDICATIF_SEISME 20120831_124735_PHILIPPINE_ISLANDS_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/120831124734.C000CC5M
usr/passwd : rcmt/rcmt
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General region : C000CC5M PHILIPPINE ISLANDS REGION
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CTAO MA2 MAJO PET PMG ULN YSS
Origin time: 2012 244 12 47 34
Origin time reformatted: 2012-08-31 12:47:34
Original location (lat,lon,depth) : 10.8 126.7 31
Moment tensor (x1.e26 dyncm) :
Mrr : 25.401217 Mtt : 2.008150
Mff : -27.409367 Mrt : 1.500460
Mrf : 1.417369 Mtf : -4.654743
T-axis: moment= 25.521 plunge= 86.377 azimuth= 340.113
N-axis: moment= 2.657 plunge= 3.175 azimuth= 188.949
P-axis: moment= -28.178 plunge= 1.744 azimuth= 98.852
best double couple: Mo= 26.850(x1.e26 dyncm) Mw=7.6 tau= 16.6
nodal planes (strike/dip/slip): 11.93/ 46.83/ 94.36 185.58/ 43.35/ 85.37
Centroid location : 10.202 126.810 33.959
Centroid time : 2.869
Variance reduction (%) : 72.3
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** o---------T---------o **
** -o------------------oo **
* -o------------------o P
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 2 0 0 0 3 1 0 0 0 0 0
r-comp: 0 2 0 0 0 3 1 0 0 0 0 0
t-comp: 0 2 0 0 0 4 1 0 0 0 0 0
Total number of traces used = 19
number of runs = 7
starttime = Fri Aug 31 07:06:44 MDT 2012
depth loop = Fri Aug 31 07:21:51 MDT 2012 - Fri Aug 31 07:22:00 MDT 2012
Solution produced by inversion of channels with var red > 2%
Initial magnitude 7.9 : depth search was triggered. Initial depth 35 km.
DInit CMTDep VarRed
-------------------
020 31.277 66.11
040 34.280 65.17
060 39.018 65.49
100 18.544 12.88
200 300.555 34.29
300 364.941 39.60
400 394.638 39.34
500 433.135 38.99
600 473.369 36.79
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To: eqinfo-mt@gfz-potsdam.de
X-Original-Message-ID: <5040b956.igS9bHQ21/+0XqA2%eqinfo@gfz-potsdam.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Message-ID:
Subject: MT solution GFZ event gfz2012rcyo
GFZ Event gfz2012rcyo
12/08/31 12:47:36.14
Philippine Islands Region
Epicenter: 10.79 126.80
MW 7.5
GFZ MOMENT TENSOR SOLUTION
Depth 36 No. of sta: 39
Moment Tensor; Scale 10**20 Nm
Mrr= 1.70 Mtt= 0.33
Mpp=-2.03 Mrt=-0.52
Mrp=-0.17 Mtp= 0.33
Principal axes:
T Val= 1.88 Plg=71 Azm=176
N 0.18 18 7
P -2.06 3 276
Best Double Couple:Mo=2.0*10**20
NP1:Strike=202 Dip=51 Slip= 114
NP2: 347 45 63
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To: cmtcustomers@ldeo.columbia.edu
Subject: quick CMT: 2012/08/31, 12:47:34.5, PHILIPPINE ISLANDS REGION, MW=7.6
X-Scanned-By: MIMEDefang 2.49 on 129.236.10.30
Here is the solution for the recent event.
August 31, 2012, PHILIPPINE ISLANDS REGION, MW=7.6
Howard Koss
Meredith Nettles
CENTROID-MOMENT-TENSOR SOLUTION
GCMT EVENT: C201208311247A
DATA: II LD IU DK CU MN G GE IC
L.P.BODY WAVES:150S, 394C, T= 50
MANTLE WAVES: 143S, 372C, T=150
SURFACE WAVES: 135S, 278C, T= 50
TIMESTAMP: Q-20120831120701
CENTROID LOCATION:
ORIGIN TIME: 12:47:43.0 0.1
LAT:11.02N 0.01;LON:127.00E 0.00
DEP: 46.1 0.3;TRIANG HDUR: 15.7
MOMENT TENSOR: SCALE 10**27 D-CM
RR= 2.890 0.012; TT= 0.534 0.007
PP=-3.420 0.009; RT=-0.935 0.028
RP=-0.311 0.026; TP=-0.226 0.005
PRINCIPAL AXES:
1.(T) VAL= 3.223;PLG=71;AZM=174
2.(N) 0.235; 19; 5
3.(P) -3.454; 3; 274
BEST DBLE.COUPLE:M0= 3.34*10**27
NP1: STRIKE=345;DIP=45;SLIP= 63
NP2: STRIKE=201;DIP=51;SLIP= 114
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To: alert@emsc-csem.org, zirbes@usgs.gov
Subject: USGS Centroid Moment Tensor Solution
12/08/31 12:47:34.48
Epicenter: 10.831 126.651
MW 7.6
USGS CENTROID MOMENT TENSOR
12/08/31 12:47:58.00
Centroid: 10.992 127.028
Depth 44 No. of sta: 181
Moment Tensor; Scale 10**20 Nm
Mrr= 3.25 Mtt= 0.23
Mpp=-3.48 Mrt=-0.34
Mrp=-0.49 Mtp=-0.32
Principal axes:
T Val= 3.32 Plg=83 Azm=147
N 0.23 5 6
P -3.54 4 275
Best Double Couple:Mo=3.4*10**20
NP1:Strike=359 Dip=41 Slip= 82
NP2: 190 50 97
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