USGS NEIC

27 january Mainshock

http://wwwneic.cr.usgs.gov/neis/FM/Q0101260316.html

01/01/26 03:16:41.29
SOUTHERN INDIA
Epicenter: 23.399 70.316
MW 7.5

MOMENT TENSOR SOLUTION
Depth 17 No. of sta: 21
Moment Tensor; Scale 10**20 Nm
Mrr= 1.44 Mtt=-2.05
Mff= 0.61 Mrt= 0.99
Mrf= 0.91 Mtf=-0.24
Principal axes:
T Val= 2.15 Plg=59 Azm=290
N 0.24 25 72
P -2.39 16 170

Best Double Couple:Mo=2.3*10**20
NP1:Strike=292 Dip=36 Slip= 136
NP2: 60 66 62

28 january Ms=5.8 Aftershock

http://wwwneic.cr.usgs.gov/neis/FM/Q0101280102.html

01/01/28 01:02:15.17
SOUTHERN INDIA
Epicenter: 23.651 70.643
MW 5.8

MOMENT TENSOR SOLUTION
Depth 12 No. of sta: 21
Moment Tensor; Scale 10**17 Nm
Mrr= 4.93 Mtt=-5.18
Mff= 0.26 Mrt= 0.42
Mrf= 1.50 Mtf= 0.66
Principal axes:
T Val= 5.40 Plg=73 Azm=281
N -0.13 17 96
P -5.27 1 186

Best Double Couple:Mo=5.3*10**17
NP1:Strike=293 Dip=46 Slip= 114
NP2: 81 49 67

70.32	23.4	7.5	23.6
69.44	23.16	5.2	33
70.06	23.27	5.1	33
70.42	23.2	5	10
70.07	23.43	5.5	33

Harvard CMT Mainshock 26 JANUARY

Date: 2001/ 1/26 Centroid Time: 3:16:54.8 GMT
Lat= 23.45 Lon= 70.34
Depth= 18.2 Half duration=21.4
Centroid time minus hypocenter time: 13.8
Moment Tensor: Expo=27 2.620 -3.800 1.180 -0.210 1.210 0.120
Mw = 7.6 mb = 7.9 Ms = 7.9 Scalar Moment = 3.56e+27
Fault plane: strike=65 dip=50 slip=50
Fault plane: strike=297 dip=54 slip=127

HARVARD CMT AFTERSHOCK 28 JANUARY

Date: 2001/ 1/28 Centroid Time: 1: 2:16.4 GMT
Lat= 23.63 Lon= 70.66
Depth= 32.9 Half duration= 1.9
Centroid time minus hypocenter time: 1.4
Moment Tensor: Expo=24 5.110 -5.430 0.320 -0.010 0.700 0.460
Mw = 5.8 mb = 5.8 Ms = 5.8 Scalar Moment = 5.34e+24
Fault plane: strike=87 dip=45 slip=79
Fault plane: strike=283 dip=46 slip=101