USGS study eyes Caribbean tsunami risk

Summit County Citizens Voice

Guadeloupe seen as focal point for unreleased tectonic strain

Staff Report

FRISCO — The risk of a large earthquake and subsequent tsunami may be greater than previously thought, U.S. Geological Survey researchers say after studying the plate boundary in the Lesser Antilles region, where 20 of the 26 Caribbean islands are located.

The geologists estimate that enough unreleased strain may have accumulated offshore of Guadeloupe to potentially create a magnitude 8.0-8.4 earthquake. A magnitude 7.5 – 8.5 quake in 1843 killed several thousand people in Guadeloupe, and a similar quake in the future could cause several tens to several hundreds of fatalities, and hundreds of millions to billions of U.S. dollars in damages.

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