Tsunami waves and the receding water are very destructive to structures in the run-up zone. Other hazards include flooding, contamination of drinking water and fires from gas lines or ruptured tanks.

There are a number of hazards caused by plate tectonics including earthquakes and tsunamis ... and secondary effects (such as fires, water contamination, or spread of diseases) ...

An earthquake with a magnitude of 7.6 occurred on Saturday in the Caribbean Sea, according to the US Geological Survey, ...

A tsunami advisory has been issued for Puerto Rico and the U.S. Virgin Islands after an earthquake in the Caribbean Sea, according to the U.S. Tsunami Warning System.

The U.S. Geological Survey said the magnitude 7.6 earthquake occurred Saturday around 6:23 p.m. Eastern Time with an epicenter about 129 miles southwest of George Town, the capital of the Cayman ...