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2011

United States Prepares for Tsunami Threats

by Weatherboy Team Meteorologist - April 18, 2021

A magnitude 7.3 earthquake struck the Mona Passage just west of Puerto Rico on October 11, 1918 and generated a tsunami with runup heights reaching 18 feet, causing extensive damage along the western and northern coasts of Puerto Rico. The earthquake and tsunami caused $29 million damage, 116 people were killed and 100 were reported missing. The tsunami traveled through much of the North and South Atlantic basins. Image: NOAA.

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