2025-07-28 09:40:25 (M3.0) Puerto Rico region 18.6 -66.8 (90be5)

M3.0 Earthquake - Puerto Rico region

Preliminary Report

Magnitude	3.0
Date-Time	Universal Time (UTC): 28 Jul 2025 09:40:25 Time near the Epicenter (1): 28 Jul 2025 05:40:25 Time in your area (1): 28 Jul 2025 01:40:25
Location	18.610N 66.765W
Depth	17 km
Distances	14.5 km (9.0 mi) N of Carrizales, Puerto Rico 15.1 km (9.4 mi) NNE of Hatillo, Puerto Rico 16.1 km (10.0 mi) NNW of Arecibo, Puerto Rico 29.8 km (18.5 mi) NW of Barceloneta, Puerto Rico 29.9 km (18.6 mi) ENE of Isabela, Puerto Rico
Location Uncertainty	Horizontal: 0.7 km; Vertical 0.5 km
Parameters	Nph = 44; Dmin = 15.7 km; Rmss = 0.23 seconds; Gp = 225° Version = 1
Event ID	pr 71490823

(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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