2025-08-30 01:13:44 (M3.6) Puerto Rico region 18.4 -65.6 (90be5)

M3.6 Earthquake - Puerto Rico region

Preliminary Report

Magnitude	3.6
Date-Time	Universal Time (UTC): 30 Aug 2025 01:13:44 Time near the Epicenter (1): 29 Aug 2025 21:13:44 Time in your area (1): 29 Aug 2025 17:13:44
Location	18.424N 65.603W
Depth	109 km
Distances	12.1 km (7.5 mi) NNE of Fajardo, Puerto Rico 24.6 km (15.3 mi) ENE of Río Grande, Puerto Rico 37.8 km (23.4 mi) E of Carolina, Puerto Rico 38.6 km (23.9 mi) NE of Humacao, Puerto Rico 43.5 km (26.9 mi) E of Trujillo Alto, Puerto Rico
Location Uncertainty	Horizontal: 2.0 km; Vertical 0.8 km
Parameters	Nph = 42; Dmin = 55.0 km; Rmss = 0.27 seconds; Gp = 172° Version =
Event ID	pr 2025242000

(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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