Magnitude 3.1 Date-Time Location 18.859°N, 67.640°W Depth 4.8 km (3.0 miles) Region PUERTO RICO REGION Distances 70 km (43 miles) NW (313°) from Aguadilla, PR 70 km (44 miles) NW (311°) from Cabán, PR 71 km (44 miles) NW (318°) from Aguada, PR 143 km (89 miles) NW (311°) from Ponce, PR 164 km (102 miles) WNW (285°) from SAN JUAN, Puerto Rico Location Uncertainty horizontal +/- 1 km (0.6 miles); depth +/- 1.2 km (0.7 miles) Parameters NST= 11, Nph= 11, Dmin=55.2 km, Rmss=0.31 sec, Gp=198°, M-type=duration magnitude (Md), Version=0 Source Event ID pr12039001

Taken from:
Earthquake: M 3.1, Puerto Rico region