2026-08-13 19:16:43 (M3.6) Mona Passage 18.2 -67.7 (90be5)

M3.6 Earthquake - Mona Passage

Preliminary Report

Magnitude	3.6
Date-Time	Universal Time (UTC): 13 Aug 2026 19:16:44 Time near the Epicenter (1): 13 Aug 2026 15:16:44 Time in your area (1): 13 Aug 2026 11:16:44
Location	18.224N 67.665W
Depth	104 km
Distances	45.6 km (28.3 mi) WSW of Stella, Puerto Rico 45.8 km (28.4 mi) WSW of Rincón, Puerto Rico 55.7 km (34.5 mi) W of Mayagüez, Puerto Rico 57.1 km (35.4 mi) WNW of Cabo Rojo, Puerto Rico 57.7 km (35.8 mi) W of Hormigueros, Puerto Rico
Location Uncertainty	Horizontal: 1.9 km; Vertical 1.1 km
Parameters	Nph = 48; Dmin = 57.9 km; Rmss = 0.30 seconds; Gp = 181° Version =
Event ID	pr 2026225000

(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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