[rCMT] Mw=6.0 BONIN ISLANDS, JAPAN REGION
USGS research CMT
researchcmt at geohazards.usgs.gov
Fri Mar 14 16:13:20 MST 2008
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2008ppcy BONIN ISLANDS, JAPAN REGI
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : AAK KIP KURK PET TIXI TLY ULN YAK YSS
Origin time: 2008 74 22 32 14
Original location (lat,lon,depth) : 26.9000 142.600 42
Moment tensor (x1.e26 dyncm) :
Mrr : 0.089250 Mtt : 0.009483
Mff : -0.098733 Mrt : 0.090127
Mrf : 0.048176 Mtf : 0.016404
T-axis: moment= 0.157 plunge= 56.004 azimuth= 340.179
N-axis: moment= -0.047 plunge= 29.634 azimuth= 192.669
P-axis: moment= -0.111 plunge= 15.133 azimuth= 93.820
best double couple: Mo= 0.134(x1.e26 dyncm) Mw=6.0 tau= 2.8
nodal planes (strike/dip/slip): 27.12/ 66.32/122.68 149.17/ 39.57/ 39.09
Centroid location : 26.536 143.217 31.171
Centroid time : 4.410
Variance reduction (%) : 34
***********
o****-----------****
***------------------o***
**oo-------------------o- **
**-o--------------------o- **
*--oo--------------------o- *
*---o---------T----------oo- *
**---o--------------------o- **
* --o-------------------oo- *
** --oo-----------------oo- **
** --o-----------+-----o- **
** -oo---------------oo P **
* oo-------------oo *
** oo----------ooo **
* oo oo *
* ooo oo *
** ooo ooo **
** oooo **
*** oooo oooooo ***
**** oo****
***********
0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 0 0 1 0 2 1 3 0 0 0 0
r-comp: 0 0 0 0 0 1 1 3 0 0 0 0
t-comp: 0 0 0 0 0 0 2 2 0 0 0 0
Total number of traces used = 16
number of runs = 3
starttime = Fri Mar 14 17:03:12 MDT 2008
endtime = Fri Mar 14 17:13:15 MDT 2008
inversion time = Fri Mar 14 17:12:56 MDT 2008 - Fri Mar 14 17:13:14 MDT 2008
Solution produced by inversion of channels with var red > 2%
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