Earthquake alarm sounded here in Santiago at about that time.
Magnitude 4.6
Date-Time
* Saturday, May 21, 2011 at 18:29:16 UTC
* Saturday, May 21, 2011 at 02:29:16 PM at epicenter
Location 18.878?N, 67.572?W
Depth 21.6 km (13.4 miles)
Region PUERTO RICO REGION
Distances
* 66 km (41 miles) NW (318?) from Aguadilla, PR
* 67 km (41 miles) NW (316?) from Cab�n, PR
* 69 km (43 miles) NNW (331?) from Rinc�n, PR
* 139 km (87 miles) NW (314?) from Ponce, PR
* 158 km (98 miles) WNW (286?) from SAN JUAN, Puerto Rico