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 major, 7.6-magnitude earthquake struck in the Caribbean Sea on Saturday and triggered a tsunami advisory in Puerto Rico and the U.S. Virgin Islands, according to the United States Geological Survey. The temblor happened at 7:23 p.m. Atlantic time about 130 miles southwest of George Town, Cayman Islands, data from the agency shows.

A magnitude-7.6 earthquake shook the Caribbean Sea southwest of the Cayman Islands on Saturday, according to the U.S. Geological Survey, and some islands and countries urged people near the coastline to move inland in case of a tsunami.