The quake struck at 6:23 p.m. local time in the middle of the sea and had a depth of 10 kilometers, the USGS said.

A magnitude-7.6 earthquake shook the Caribbean Sea south of the Cayman Islands Saturday, according to the U.S. Geological Survey. Several islands and countries urged people near the coastline to move inland but authorities in most places later lifted the tsunami alerts.

An earthquake with a magnitude of 7.6 shook the Caribbean Sea southwest of Cayman Islands on Saturday, according to the United States Geological Survey.