The temblor happened at 10:34 a.m. Atlantic time about 4 miles southwest of Tallaboa, Puerto Rico, data from the agency shows ...

These are difficult times in Puerto Rico. Since December 28, the Caribbean island has been struck by more than 500 earthquakes with a magnitude of 2 or greater. The biggest came before dawn ...

"While that sounds small, it's evidence and confirmation that a tsunami is occurring due to a significant earthquake," the agency had said, adding there was no tsunami danger for Puerto Rico ...