2026-05-31 16:05:32 UPDATED: (M3.6) Puerto Rico region 19.3 -66.2 (90be5)

M3.6 Earthquake - Puerto Rico region

Preliminary Report

Magnitude	3.6
Date-Time	Universal Time (UTC): 31 May 2026 16:05:33 Time near the Epicenter (1): 31 May 2026 12:05:33 Time in your area (1): 31 May 2026 08:05:33
Location	19.328N 66.158W
Depth	9 km
Distances	95.5 km (59.2 mi) N of San Juan, Puerto Rico 96.8 km (60.0 mi) N of Dorado, Puerto Rico 97.2 km (60.2 mi) N of Levittown, Puerto Rico 98.2 km (60.9 mi) N of Cataño, Puerto Rico 100.7 km (62.4 mi) NNE of Vega Baja, Puerto Rico
Location Uncertainty	Horizontal: 1.7 km; Vertical 3.1 km
Parameters	Nph = 44; Dmin = 103.2 km; Rmss = 0.42 seconds; Gp = 215° Version =
Event ID	pr 2026151001 ***This event supersedes event US7000sppa.

(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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