2026-10-08 07:26:09 (M3.1) Puerto Rico region 19.1 -66.5 (90be5)

M3.1 Earthquake - Puerto Rico region

Preliminary Report

Magnitude	3.1
Date-Time	Universal Time (UTC): 8 Oct 2026 07:26:10 Time near the Epicenter (1): 8 Oct 2026 03:26:10 Time in your area (1): 7 Oct 2026 23:26:10
Location	19.085N 66.470W
Depth	34 km
Distances	69.0 km (42.8 mi) N of Tierras Nuevas Poniente, Puerto Rico 70.6 km (43.8 mi) N of Barceloneta, Puerto Rico 71.4 km (44.3 mi) N of Vega Baja, Puerto Rico 72.5 km (45.0 mi) NNW of Dorado, Puerto Rico 72.6 km (45.0 mi) NNE of Arecibo, Puerto Rico
Location Uncertainty	Horizontal: 1.5 km; Vertical 8.7 km
Parameters	Nph = 36; Dmin = 85.5 km; Rmss = 0.34 seconds; Gp = 241° Version = 1
Event ID	pr 71536093

(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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