[rCMT] Mw=6.3 BATAN ISL REGION, PHILIPPINES
USGS research CMT
researchcmt at geohazards.usgs.gov
Sun Jun 1 02:33:26 GMT 2008
AUTOMATIC solution, not reviewed by a seismologist
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General region : 2008stag BATAN ISL REGION, PHILIPP
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : AAK CTAO DGAR KURK MAJO PET TLY ULN YAK YSS
Origin time: 2008 153 1 57 22
Original location (lat,lon,depth) : 20.1000 121.300 22
Moment tensor (x1.e26 dyncm) :
Mrr : 0.260990 Mtt : 0.020152
Mff : -0.281142 Mrt : -0.093490
Mrf : -0.027469 Mtf : -0.100030
T-axis: moment= 0.293 plunge= 70.844 azimuth= 182.085
N-axis: moment= 0.023 plunge= 18.309 azimuth= 19.814
P-axis: moment= -0.316 plunge= 5.444 azimuth= 288.007
best double couple: Mo= 0.305(x1.e26 dyncm) Mw=6.3 tau= 3.7
nodal planes (strike/dip/slip): 358.79/ 42.69/ 62.40 214.22/ 53.07/113.14
Centroid location : 20.186 121.211 44.030
Centroid time : 9.058
Variance reduction (%) : 39
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 1 0 0 1 1 1 2 0 1 0 0
r-comp: 0 1 0 0 1 1 1 2 0 0 0 0
t-comp: 0 1 0 0 2 0 2 2 0 0 0 0
Total number of traces used = 20
number of runs = 1
starttime = Sat May 31 20:32:54 MDT 2008
endtime = Sat May 31 20:33:26 MDT 2008
inversion time = Sat May 31 20:33:23 MDT 2008 - Sat May 31 20:33:25 MDT 2008
Solution produced by inversion of channels with var red > 2%
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