[rCMT] Mw=6.0 VIRGIN ISLANDS REGION
USGS research CMT
researchcmt at geohazards.usgs.gov
Sat Oct 11 11:14:19 GMT 2008
AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region : 2008yaa8 VIRGIN ISLANDS REGION
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CCM FFC HKT NNA OTAV SFJD TUC WCI
Origin time: 2008 285 10 40 14
Original location (lat,lon,depth) : 19.1000 -64.8000 29
Moment tensor (x1.e26 dyncm) :
Mrr : 0.069160 Mtt : 0.035623
Mff : -0.104783 Mrt : -0.018612
Mrf : -0.021165 Mtf : 0.117789
T-axis: moment= 0.117 plunge= 29.074 azimuth= 149.383
N-axis: moment= 0.055 plunge= 60.826 azimuth= 334.575
P-axis: moment= -0.172 plunge= 2.210 azimuth= 240.612
best double couple: Mo= 0.145(x1.e26 dyncm) Mw=6.0 tau= 2.9
nodal planes (strike/dip/slip): 288.91/ 68.23/ 19.92 191.25/ 71.56/156.99
Centroid location : 19.444 -64.441 43.332
Centroid time : -13.455
Variance reduction (%) : 23
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**o -------oooooooo--- **
* ------oo----ooooo- *
** ----o---------ooooo **
** ---o---+---------ooo **
** -oo----------------ooo **
* -o-------------------oo *
** o---------------------**
* o---------------------*
P o--------------------*
** o-----------T------**
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 0 0 0 0 1 1 2 2 0 1 0
r-comp: 0 0 0 0 0 0 1 2 1 0 1 1
t-comp: 0 0 0 0 0 0 0 2 1 0 1 1
Total number of traces used = 18
number of runs = 2
starttime = Sat Oct 11 05:10:40 MDT 2008
endtime = Sat Oct 11 05:14:17 MDT 2008
inversion time = Sat Oct 11 05:14:11 MDT 2008 - Sat Oct 11 05:14:16 MDT 2008
Solution produced by inversion of channels with var red > 2%
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