Magnitude 6.4 - DOMINICAN REPUBLIC REGION
2003 September 22 04:45:36 UTC
Preliminary Earthquake Report
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Tectonic Summary
The earthquake occurred on the diffuse boundary of the Caribbean and North American plates. The Caribbean plate moves to the east with respect to the North American plate at about 2 cm/y. The plate boundary in the Dominican Republic is oriented slightly oblique to the direction of relative plate-motion. The boundary in this region includes major strike-slip faults that accommodate plate-motion that is parallel to the boundary and also dip-slip faults that accommodate plate motion that is perpendicular to the boundary. The moment-tensor solution of the September 22 earthquake implies that it occurred as the result of dip-slip faulting. |
Did you feel it? Historical Moment Tensor Solutions |
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver