2025-12-12 13:36:48 (M3.1) Puerto Rico region 18.9 -65.3 (90be5)

M3.1 Earthquake - Puerto Rico region

Preliminary Report

Magnitude	3.1
Date-Time	Universal Time (UTC): 12 Dec 2025 13:36:48 Time near the Epicenter (1): 12 Dec 2025 09:36:48 Time in your area (1): 12 Dec 2025 05:36:48
Location	18.880N 65.262W
Depth	22 km
Distances	63.9 km (39.6 mi) N of Culebra, Puerto Rico 69.0 km (42.8 mi) NNW of Charlotte Amalie, U.S. Virgin Islands 73.8 km (45.8 mi) NE of Fajardo, Puerto Rico 81.6 km (50.6 mi) NE of Río Grande, Puerto Rico 91.8 km (56.9 mi) NE of Carolina, Puerto Rico
Location Uncertainty	Horizontal: 0.7 km; Vertical 13.6 km
Parameters	Nph = 38; Dmin = 66.6 km; Rmss = 0.19 seconds; Gp = 223° Version = 1
Event ID	pr 71502108

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
Puerto Rico Seismic Network
University of Puerto Rico
http://redsismica.uprm.edu/

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