Eastern North America

Source Mechanisms of Earthquakes in the Eastern North America (1976-1996).

Large earthquakes which have occurred in the Eastern North America
(ENA) during 1976-1996. Only earthquakes with Centroid Moment Tensor (Harvard CMT) solutions are plotted. These events are usually magnitude greater than mb 5.5.
        For information on earthquakes, including definitions of seismological terms, frequently asked questions, and definitions of magnitude scales, see the National Earthquake Information Center (NEIC) web site.

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Won-Young Kim, Lamont-Doherty Earth Observatory of Columbia University, copyright©1999, all rights reserved