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/120920210340.C000CSW5
usr/passwd : rcmt/rcmt
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General region : C000CSW5 FIJI REGION
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CASY CTAO KIP MAJO PET PMG SNZO TAU YSS
Origin time: 2012 264 21 3 40
Origin time reformatted: 2012-09-20 21:03:40
Original location (lat,lon,depth) : -20.8 -178.4 544
Moment tensor (x1.e26 dyncm) :
Mrr : 0.007418 Mtt : -0.004408
Mff : -0.003011 Mrt : -0.026886
Mrf : 0.005979 Mtf : -0.036497
T-axis: moment= 0.047 plunge= 31.720 azimuth= 219.454
N-axis: moment= -0.002 plunge= 52.364 azimuth= 76.173
P-axis: moment= -0.045 plunge= 18.093 azimuth= 321.105
best double couple: Mo= 0.046(x1.e26 dyncm) Mw=5.7 tau= 2.0
nodal planes (strike/dip/slip): 4.17/ 53.75/ 10.88 267.69/ 81.25/143.25
Centroid location : -19.796 -179.300 551.236
Centroid time : 15.784
Variance reduction (%) : 2.6
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 0 0 0 0 1 2 1 1 0 1 2
r-comp: 0 0 0 0 0 1 2 1 1 1 0 1
t-comp: 0 0 0 0 0 1 2 1 1 1 0 1
Total number of traces used = 22
number of runs = 18
starttime = Thu Sep 20 15:13:32 MDT 2012
Solution produced by inversion of all available channels
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To: eqinfo-mt@gfz-potsdam.de
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Message-ID:
Subject: MT solution GFZ event gfz2012socz
GFZ Event gfz2012socz
12/09/20 21:03:41.40
Fiji Islands Region
Epicenter: -20.82 -178.48
MW 5.6
GFZ MOMENT TENSOR SOLUTION
Depth 553 No. of sta: 43
Moment Tensor; Scale 10**17 Nm
Mrr=-1.36 Mtt= 0.88
Mpp= 0.48 Mrt=-2.14
Mrp= 0.34 Mtp= 0.88
Principal axes:
T Val= 2.91 Plg=25 Azm=212
N -0.20 22 111
P -2.71 56 345
Best Double Couple:Mo=2.8*10**17
NP1:Strike=105 Dip=73 Slip=-112
NP2: 341 28 -36
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To: cmtcustomers@ldeo.columbia.edu
Subject: quick CMT: 2012/09/20, 21:03:40.2, FIJI ISLANDS REGION, MW=5.7
X-Scanned-By: MIMEDefang 2.49 on 129.236.10.30
Here is the solution for the recent event.
September 20, 2012, FIJI ISLANDS REGION, MW=5.7
Howard Koss
CENTROID-MOMENT-TENSOR SOLUTION
GCMT EVENT: C201209202103A
DATA: IU CU II IC G MN GE LD DK
L.P.BODY WAVES:114S, 175C, T= 40
MANTLE WAVES: 41S, 42C, T=125
TIMESTAMP: Q-20120921005658
CENTROID LOCATION:
ORIGIN TIME: 21:03:45.1 0.2
LAT:20.67S 0.02;LON:178.31W 0.02
DEP:576.3 1.4;TRIANG HDUR: 1.7
MOMENT TENSOR: SCALE 10**24 D-CM
RR=-1.800 0.046; TT= 0.293 0.075
PP= 1.510 0.080; RT=-3.550 0.073
RP= 0.396 0.081; TP=-1.800 0.072
PRINCIPAL AXES:
1.(T) VAL= 4.076;PLG=27;AZM=219
2.(N) 0.484; 26; 114
3.(P) -4.556; 51; 348
BEST DBLE.COUPLE:M0= 4.32*10**24
NP1: STRIKE=354;DIP=29;SLIP= -27
NP2: STRIKE=108;DIP=77;SLIP=-117
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To: alert@emsc-csem.org, zirbes@usgs.gov
Subject: USGS Body-Wave Moment Tensor Solution
12/09/20 21:03:42.75
Epicenter: -20.765 -178.442
MW 5.7
USGS MOMENT TENSOR SOLUTION
Depth 566 No. of sta: 30
Moment Tensor; Scale 10**17 Nm
Mrr=-2.38 Mtt= 1.57
Mpp= 0.80 Mrt=-4.12
Mrp= 1.03 Mtp=-1.54
Principal axes:
T Val= 4.99 Plg=29 Azm=208
N -0.02 12 111
P -4.97 58 1
Best Double Couple:Mo=5.0*10**17
NP1:Strike=108 Dip=75 Slip=-102
NP2: 329 19 -51
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