Magnitude 6.8 NORTHERN ALGERIA
2003 May 21 18:44:19 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
USGS Fast Moment Tensor Solution
03/05/21 18:44:19.26
NORTHERN ALGERIA
Epicenter: 36.893 3.780
MW 6.7
USGS MOMENT TENSOR SOLUTION
Depth 9 No. of sta: 61
NMSE 0.283
Moment Tensor; Scale 10**19 Nm
Mrr= 1.31 Mtt=-0.88
Mff=-0.42 Mrt= 0.07
Mrf= 0.09 Mtf=-0.61
Principal axes:
T Val= 1.31 Plg=87 Azm=291
N 0.00 2 55
P -1.31 2 145
Best Double Couple:Mo=1.3*10**19
NP1:Strike=237 Dip=43 Slip= 92
NP2: 54 47 88
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Explanation of Parameters
Current USGS Fast Moment Tensor Solutions
USGS E-mail Notification Services
Source Parameter Search
For more information, contact Stuart Sipkin sipkin@usgs.gov
