A dozen islands are now alert for potential tsunami ripples after a dangerous 7.6 magnitude tremor rocked the Caribbean Sea on Saturday. Both Puerto Rico and the Virgin Islands have broadcasted ...

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.

According to the NHC, environmental conditions appear conducive for development, and a tropical depression will likely form late this week as the system moves westward into the western Caribbean Sea.