[rCMT] Mw=5.5 AZORES ISLANDS REGION
USGS research CMT
researchcmt at geohazards.cr.usgs.gov
Sat Sep 22 07:06:59 GMT 2007
AUTOMATIC solution, not reviewed by a seismologist
--------------------------------------------------
General region : 2007hpac AZORES ISLANDS REGION
surface waves (3.0,3.5,7,7.5 mHz)
Stations used : BFO ESK KEV KONO LVZ SFJD SJG
Origin time: 2007 265 6 35 27
Original location (lat,lon,depth) : 42.9000 -31.8000 10
Moment tensor (x1.e26 dyncm) :
Mrr : -0.007696 Mtt : 0.012170
Mff : -0.004475 Mrt : -0.016935
Mrf : -0.012278 Mtf : -0.006818
T-axis: moment= 0.022 plunge= 29.981 azimuth= 179.422
N-axis: moment= 0.005 plunge= 27.621 azimuth= 71.853
P-axis: moment= -0.026 plunge= 47.027 azimuth= 307.683
best double couple: Mo= 0.024(x1.e26 dyncm) Mw=5.5 tau= 1.6
nodal planes (strike/dip/slip): 66.86/ 80.56/-118.03 319.74/ 29.46/-19.48
Centroid location : 42.441 -31.095 49.115
Centroid time : 10.346
Variance reduction (%) : 14
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0- 30- 60- 90- 120- 150- 180- 210- 240- 270- 300- 330-
z-comp: 0 0 0 1 3 1 0 0 0 1 0 0
r-comp: 0 0 0 1 1 0 1 0 0 0 0 0
t-comp: 0 0 0 1 1 1 1 0 0 0 0 0
Total number of traces used = 13
number of runs = 5
starttime = Sat Sep 22 00:54:34 MDT 2007
endtime = Sat Sep 22 01:06:57 MDT 2007
inversion time = Sat Sep 22 01:06:52 MDT 2007 - Sat Sep 22 01:06:56 MDT 2007
Solution produced by inversion of channels with var red > 2%
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