Testimonies, photostemp
Full tensors solutions
To: vallee@geoazur.unice.fr
From: scardec@geoazur.unice.fr
Subject: [SCARDEC] Recent Mw=6.1 earthquake, located in VANUATU ISLANDS
Message-Id: <20121202013358.1C2D2E743F4@alto.unice.fr>
Date: Sun, 2 Dec 2012 02:33:58 +0100 (CET)
2012 12 02 00 54 23.0 -17.012 167.626 34.0 6.1 308 41 83 136 50 96
INDICATIF_SEISME 20121202_005423_VANUATU_ISLANDS
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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, beta version 11/18/12
More details on this rCMT at http://neic.cr.usgs.gov/beta/rcmt/events/121202005423.C000E26U
usr/passwd : rcmt/rcmt Event only available after completion bootstrapping
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General region : C000E26U VANUATU
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CASY CTAO KIP MAJO PMG SNZO TAU
Origin time: 2012 337 0 54 23
Origin time reformatted: 2012-12-02 00:54:23
Original location (lat,lon,depth) : -17.0 167.6 34
Moment tensor (x1.e26 dyncm) :
Mrr : 0.190388 Mtt : -0.094749
Mff : -0.095639 Mrt : 0.007785
Mrf : -0.043436 Mtf : 0.102038
T-axis: moment= 0.197 plunge= 80.854 azimuth= 100.275
N-axis: moment= 0.004 plunge= 7.403 azimuth= 316.470
P-axis: moment= -0.201 plunge= 5.341 azimuth= 225.774
best double couple: Mo= 0.199(x1.e26 dyncm) Mw=6.1 tau= 3.2
nodal planes (strike/dip/slip): 307.62/ 40.19/ 78.48 142.56/ 50.78/ 99.57
Centroid location : -16.996 167.607 35.290
Centroid time : 5.871
Variance reduction (%) : 46.5
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 1 0 0 0 1 0 1 0 1 1 0 2
r-comp: 1 0 0 0 1 0 0 0 1 0 0 0
t-comp: 1 0 0 0 1 0 1 0 1 1 0 0
Total number of traces used = 15
number of runs = 9
starttime = Sat Dec 1 18:12:13 MST 2012
depth loop = Sat Dec 1 18:42:11 MST 2012 - Sat Dec 1 18:43:06 MST 2012
Solution produced by inversion of channels with var red > 2%
Initial magnitude 6.4 : depth search was triggered. Initial depth 34 km.
DInit CMTDep VarRed
-------------------
020 32.259 25.53
040 34.466 25.54
060 39.070 25.45
100 92.936 8.52
200 214.604 16.11
300 368.942 16.34
400 434.602 16.24
500 482.828 16.15
600 518.370 16.04
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To: eqinfo-mt@gfz-potsdam.de
X-Original-Message-ID: <50bb06e0.h8GCU5j0yk44Nbux%eqinfo@gfz-potsdam.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Message-ID:
Subject: MT solution GFZ event gfz2012xpyv
GFZ Event gfz2012xpyv
12/12/02 00:54:20.16
Vanuatu Islands
Epicenter: -16.97 167.70
MW 6.1
GFZ MOMENT TENSOR SOLUTION
Depth 38 No. of sta: 43
Moment Tensor; Scale 10**18 Nm
Mrr= 1.63 Mtt=-0.91
Mpp=-0.72 Mrt= 0.20
Mrp=-0.28 Mtp=-0.91
Principal axes:
T Val= 1.67 Plg=84 Azm= 69
N 0.13 3 313
P -1.79 6 222
Best Double Couple:Mo=1.7*10**18
NP1:Strike=135 Dip=51 Slip= 94
NP2: 309 39 86
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To: cmtcustomers@ldeo.columbia.edu
Subject: quick CMT: 2012/12/02, 00:54:23.0, VANUATU ISLANDS, MW=6.1
X-Scanned-By: MIMEDefang 2.49 on 129.236.10.30
Here is the solution for the recent event.
December 2, 2012, VANUATU ISLANDS, MW=6.1
Howard Koss
Meredith Nettles
CENTROID-MOMENT-TENSOR SOLUTION
GCMT EVENT: C201212020054A
DATA: II LD IU DK CU MN G IC GE
L.P.BODY WAVES:154S, 345C, T= 40
MANTLE WAVES: 122S, 160C, T=125
SURFACE WAVES: 154S, 350C, T= 50
TIMESTAMP: Q-20121202225702
CENTROID LOCATION:
ORIGIN TIME: 00:54:27.5 0.1
LAT:17.04S 0.00;LON:167.49E 0.00
DEP: 39.9 0.2;TRIANG HDUR: 2.7
MOMENT TENSOR: SCALE 10**25 D-CM
RR= 1.600 0.011; TT=-0.885 0.009
PP=-0.715 0.009; RT= 0.166 0.011
RP=-0.298 0.011; TP= 1.050 0.007
PRINCIPAL AXES:
1.(T) VAL= 1.638;PLG=83;AZM= 82
2.(N) 0.245; 4; 313
3.(P) -1.884; 5; 223
BEST DBLE.COUPLE:M0= 1.76*10**25
NP1: STRIKE=308;DIP=40;SLIP= 83
NP2: STRIKE=137;DIP=50;SLIP= 96
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P ---------------######
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To: undisclosed-recipients:;
CEA/DASE/Laboratoire de Geophysique
CPPT - Centre Polynesien de Prevention des Tsunamis
Message issued on 2012-12-02 at 01:39:21 GMT
An earthquake occured 45 minutes ago
Source parameters obtained from SEISCOMP3 process
Region : Vanuatu Islands
Origin time : 2012-12-02 00:54:21
Latitude : -17.06
Longitude : +167.58
Depth : +10 km
Magnitude M : 6.4 (41 stations)
Source parameters obtained from SYS_AL process
Magnitude Mm : Mw: 6.1, M0: 1.7e+18 N.m, Mm: 5.2 ( 28 stations)
SLOWNESS (THETA) : -5.0 (12 stations)
Inversion : Mw: 6.0, M0: 1.1e+18 N.m, Mm: 5.1 ( 32 stations)
NP1 : -0, 56, 145
NP2 : 111, 62, 40
Depth : +15 km
Misfit : 19 %
Score P : 80 % ( 40 stations) (Matching P wave first motion [-100%(wrong);100%(perfect)])
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Note: these results are currently evaluated by fully automated process.
Users should be advised to use and interpret these products with caution.
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To: alert@emsc-csem.org, m.d.zirbes@gmail.com, zirbes@usgs.gov
Subject: USGS Body-Wave Moment Tensor Solution
12/12/02 00:54:20.66
Epicenter: -17.035 167.636
MW 6.0
USGS MOMENT TENSOR SOLUTION
Depth 34 No. of sta: 42
Moment Tensor; Scale 10**18 Nm
Mrr= 1.26 Mtt=-0.46
Mpp=-0.80 Mrt= 0.25
Mrp=-0.20 Mtp= 0.72
Principal axes:
T Val= 1.30 Plg=82 Azm= 24
N 0.11 3 141
P -1.41 7 231
Best Double Couple:Mo=1.4*10**18
NP1:Strike=325 Dip=38 Slip= 96
NP2: 138 52 86
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