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, beta version 11/18/12
More details on this rCMT at http://neic.cr.usgs.gov/beta/rcmt/events/121204014248.C000E3KL
usr/passwd : rcmt/rcmt Event only available after completion bootstrapping
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General region : C000E3KL SOUTHERN ALASKA
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CCM COR FFC KBS KIP SFJD TIXI TUC WCI
Origin time: 2012 339 1 42 48
Origin time reformatted: 2012-12-04 01:42:48
Original location (lat,lon,depth) : 61.2 -150.7 53
Moment tensor (x1.e26 dyncm) :
Mrr : 0.014427 Mtt : -0.025004
Mff : 0.010577 Mrt : -0.005608
Mrf : 0.041404 Mtf : 0.021511
T-axis: moment= 0.055 plunge= 43.903 azimuth= 281.249
N-axis: moment= -0.008 plunge= 34.158 azimuth= 150.478
P-axis: moment= -0.047 plunge= 26.842 azimuth= 40.396
best double couple: Mo= 0.051(x1.e26 dyncm) Mw=5.7 tau= 2.1
nodal planes (strike/dip/slip): 337.24/ 80.15/124.74 81.10/ 35.94/ 16.94
Centroid location : 61.319 -150.755 49.726
Centroid time : 8.299
Variance reduction (%) : 34.0
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**-----------------+-oo o**
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 1 2 2 1 1 0 1 0 0 0 1
r-comp: 0 0 1 0 0 1 0 0 0 0 0 1
t-comp: 0 0 1 1 0 1 0 0 0 0 0 0
Total number of traces used = 15
number of runs = 1
starttime = Mon Dec 3 19:10:58 MST 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 gfz2012xtrl
GFZ Event gfz2012xtrl
12/12/04 01:42:47.75
Southern Alaska
Epicenter: 61.23 -151.03
MW 5.7
GFZ MOMENT TENSOR SOLUTION
Depth 66 No. of sta: 49
Moment Tensor; Scale 10**17 Nm
Mrr= 1.48 Mtt=-3.51
Mpp= 2.03 Mrt= 0.04
Mrp= 2.51 Mtp=-3.51
Principal axes:
T Val= 4.50 Plg=39 Azm=282
N -0.41 50 118
P -4.09 8 19
Best Double Couple:Mo=4.3*10**17
NP1:Strike=324 Dip=70 Slip= 145
NP2: 68 57 25
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To: cmtcustomers@ldeo.columbia.edu
Subject: quick CMT: 2012/12/04, 01:42:48.0, SOUTHERN ALASKA, MW=5.8
X-Scanned-By: MIMEDefang 2.49 on 129.236.10.30
Here is the solution for the recent event.
December 4, 2012, SOUTHERN ALASKA, MW=5.8
Howard Koss
CENTROID-MOMENT-TENSOR SOLUTION
GCMT EVENT: C201212040142A
DATA: II IU CU MN G IC LD GE DK
L.P.BODY WAVES:132S, 271C, T= 40
MANTLE WAVES: 56S, 61C, T=125
SURFACE WAVES: 139S, 287C, T= 50
TIMESTAMP: Q-20121204101317
CENTROID LOCATION:
ORIGIN TIME: 01:42:51.6 0.1
LAT:61.43N 0.01;LON:150.89W 0.01
DEP: 67.6 0.8;TRIANG HDUR: 1.9
MOMENT TENSOR: SCALE 10**24 D-CM
RR= 1.270 0.047; TT=-3.710 0.050
PP= 2.440 0.051; RT= 0.390 0.044
RP= 3.390 0.042; TP= 2.920 0.046
PRINCIPAL AXES:
1.(T) VAL= 5.956;PLG=35;AZM=288
2.(N) -0.922; 53; 129
3.(P) -5.034; 10; 26
BEST DBLE.COUPLE:M0= 5.50*10**24
NP1: STRIKE= 73;DIP=58;SLIP= 20
NP2: STRIKE=332;DIP=73;SLIP= 146
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To: alert@emsc-csem.org, m.d.zirbes@gmail.com, zirbes@usgs.gov
Subject: USGS/SLU Regional Moment Tensor Solution
12/12/04 01:42:48.00
Epicenter: 61.230 -150.719
MW 5.7
USGS/SLU REGIONAL MOMENT TENSOR
Depth 68 No. of sta:102
Moment Tensor; Scale 10**17 Nm
Mrr= 2.47 Mtt=-3.69
Mpp= 1.22 Mrt= 0.39
Mrp= 2.74 Mtp= 2.04
Principal axes:
T Val= 4.95 Plg=48 Azm=286
N -0.47 42 117
P -4.48 6 22
Best Double Couple:Mo=4.7*10**17
NP1:Strike= 76 Dip=54 Slip= 34
NP2: 324 63 138
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