[rCMT] Mw=6.2 SANTA CRUZ ISLANDS REGION
USGS research CMT
researchcmt at geohazards.usgs.gov
Sat Jul 19 11:58:13 GMT 2008
AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region : 2008ura4 SANTA CRUZ ISLANDS REGION
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : CASY INCN KIP MAJO PET RPN TLY ULN YAK YSS
Origin time: 2008 201 11 1 22
Original location (lat,lon,depth) : -11.1000 164.500 43
Moment tensor (x1.e26 dyncm) :
Mrr : -0.207203 Mtt : 0.065278
Mff : 0.141925 Mrt : -0.125526
Mrf : -0.017478 Mtf : 0.109879
T-axis: moment= 0.238 plunge= 11.890 azimuth= 129.821
N-axis: moment= 0.019 plunge= 19.034 azimuth= 223.987
P-axis: moment= -0.258 plunge= 67.309 azimuth= 9.584
best double couple: Mo= 0.248(x1.e26 dyncm) Mw=6.2 tau= 3.5
nodal planes (strike/dip/slip): 55.68/ 59.56/-67.77 196.80/ 37.05/-122.77
Centroid location : -10.520 164.574 10.000
Centroid time : -0.578
Variance reduction (%) : 23
***********
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**---- ooo **
**---- ooo **
*----- oo o*
*----- oo oo *
**---- oo P oo -**
*----- o oo ---*
**-----oo oo ----**
**---- o + ooo------**
**---- o oo--------**
*---- o oooo---------*
**----o ooo-----------**
*----oo ooooo-------------*
*----o oooooo----------------*
**oooooooo------------------T**
**--oo---------------------**
***oo-----------------***
****-----------****
***********
0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 0 1 0 1 0 3 2 0 0 0 1
r-comp: 0 0 1 0 1 0 4 3 0 0 0 0
t-comp: 0 0 1 0 1 0 4 0 0 0 0 0
Total number of traces used = 23
number of runs = 8
starttime = Sat Jul 19 05:38:28 MDT 2008
endtime = Sat Jul 19 05:58:10 MDT 2008
inversion time = Sat Jul 19 05:58:03 MDT 2008 - Sat Jul 19 05:58:10 MDT 2008
Solution produced by inversion of channels with var red > 2%
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