2025-07-31 03:07:31 (M3.7) Puerto Rico region 19.4 -65.8 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M3.7 Earthquake - Puerto Rico region

Preliminary Report

Magnitude	3.7
Date-Time	Universal Time (UTC): 31 Jul 2025 03:07:31 Time near the Epicenter (1): 30 Jul 2025 23:07:31 Time in your area (1): 30 Jul 2025 19:07:31
Location	19.395N 65.786W
Depth	60 km
Distances	107.1 km (66.4 mi) N of Suárez, Puerto Rico 107.2 km (66.5 mi) N of Loíza, Puerto Rico 108.2 km (67.1 mi) NNE of San Juan, Puerto Rico 111.3 km (69.0 mi) NNE of Cataño, Puerto Rico 112.5 km (69.7 mi) N of Río Grande, Puerto Rico
Location Uncertainty	Horizontal: 3.6 km; Vertical 10.5 km
Parameters	Nph = 28; Dmin = 131.4 km; Rmss = 0.45 seconds; Gp = 241° Version =
Event ID	pr 2025212000

(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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