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/121103125812.B000DJVS
usr/passwd : rcmt/rcmt
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General region : B000DJVS CENTRAL MID-ATLANTIC RIDG
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : BFO CCM COR ESK FFC GNI HKT HOPE HRV JTS KBS KEV KIV KONO LSZ LVC OTAV PMSA RPN
Origin time: 2012 308 12 58 12
Origin time reformatted: 2012-11-03 12:58:12
Original location (lat,lon,depth) : 7.1 -34.1 9
Moment tensor (x1.e26 dyncm) :
Mrr : -0.003868 Mtt : -0.000973
Mff : 0.004840 Mrt : 0.005453
Mrf : -0.034826 Mtf : -0.038527
T-axis: moment= 0.056 plunge= 27.584 azimuth= 53.530
N-axis: moment= -0.008 plunge= 47.621 azimuth= 178.459
P-axis: moment= -0.048 plunge= 29.327 azimuth= 306.462
best double couple: Mo= 0.052(x1.e26 dyncm) Mw=5.7 tau= 2.1
nodal planes (strike/dip/slip): 359.65/ 88.92/-42.37 90.64/ 47.64/-178.53
Centroid location : 7.243 -34.069 15.577
Centroid time : -6.228
Variance reduction (%) : 43.0
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 1 2 0 3 4 1 9 3 2 0 2
r-comp: 0 0 0 0 1 1 0 1 0 0 1 0
t-comp: 0 0 0 0 1 3 0 1 1 1 0 0
Total number of traces used = 38
number of runs = 1
starttime = Sat Nov 3 07:55:44 MDT 2012
Solution produced by inversion of channels with var red > 2%
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To: eqinfo-mt@gfz-potsdam.de
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Message-ID:
Subject: MT solution GFZ event gfz2012vpxd
GFZ Event gfz2012vpxd
12/11/03 12:58:11.83
Central Mid Atlantic Ridge
Epicenter: 7.04 -34.04
MW 5.7
GFZ MOMENT TENSOR SOLUTION
Depth 15 No. of sta: 123
Moment Tensor; Scale 10**17 Nm
Mrr=-0.62 Mtt= 0.60
Mpp= 0.01 Mrt= 1.45
Mrp= 0.63 Mtp= 0.60
Principal axes:
T Val= 4.06 Plg= 8 Azm= 41
N -0.08 65 293
P -3.98 24 135
Best Double Couple:Mo=4.0*10**17
NP1:Strike=176 Dip=67 Slip= -10
NP2: 270 80 -156
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To: cmtcustomers@ldeo.columbia.edu
Subject: quick CMT: 2012/11/03, 12:58:12.3, CENTRAL MID-ATLANTIC RIDGE, MW=5.7
X-Scanned-By: MIMEDefang 2.49 on 129.236.10.30
Here is the solution for the recent event.
November 3, 2012, CENTRAL MID-ATLANTIC RIDGE, MW=5.7
Meredith Nettles
Goran Ekstrom
CENTROID-MOMENT-TENSOR SOLUTION
GCMT EVENT: C201211031258A
DATA: II IU CU MN G IC GE LD DK
L.P.BODY WAVES:108S, 195C, T= 40
MANTLE WAVES: 82S, 97C, T=125
SURFACE WAVES: 136S, 278C, T= 50
TIMESTAMP: Q-20121103174859
CENTROID LOCATION:
ORIGIN TIME: 12:58:15.6 0.1
LAT: 7.28N 0.01;LON: 34.06W 0.01
DEP: 15.0 0.6;TRIANG HDUR: 1.7
MOMENT TENSOR: SCALE 10**24 D-CM
RR=-0.313 0.038; TT= 0.187 0.041
PP= 0.126 0.044; RT=-0.297 0.121
RP= 0.199 0.130; TP=-4.200 0.038
PRINCIPAL AXES:
1.(T) VAL= 4.383;PLG= 4;AZM=225
2.(N) -0.338; 86; 59
3.(P) -4.045; 1; 315
BEST DBLE.COUPLE:M0= 4.21*10**24
NP1: STRIKE=360;DIP=86;SLIP= 2
NP2: STRIKE=270;DIP=88;SLIP= 176
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To: alert@emsc-csem.org, m.d.zirbes@gmail.com, zirbes@usgs.gov
Subject: USGS Body-Wave Moment Tensor Solution
12/11/03 12:58:12.47
Epicenter: 7.086 -34.098
MW 5.6
USGS MOMENT TENSOR SOLUTION
Depth 12 No. of sta: 49
Moment Tensor; Scale 10**17 Nm
Mrr= 0.25 Mtt=-0.61
Mpp= 0.35 Mrt=-0.66
Mrp=-0.50 Mtp=-2.80
Principal axes:
T Val= 2.71 Plg= 1 Azm=230
N 0.45 76 135
P -3.16 14 320
Best Double Couple:Mo=3.0*10**17
NP1:Strike= 96 Dip=81 Slip=-170
NP2: 4 80 -9
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