2025-08-22 16:28:41 (M4.4) Mona Passage 18.8 -67.2 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.4 Earthquake - Mona Passage

Preliminary Report

Magnitude	4.4
Date-Time	Universal Time (UTC): 22 Aug 2025 16:28:41 Time near the Epicenter (1): 22 Aug 2025 12:28:41 Time in your area (1): 22 Aug 2025 08:28:41
Location	18.830N 67.229W
Depth	28 km
Distances	39.8 km (24.7 mi) NNW of San Antonio, Puerto Rico 42.3 km (26.2 mi) NNW of Isabela, Puerto Rico 45.2 km (28.0 mi) N of Aguadilla, Puerto Rico 60.1 km (37.3 mi) NNW of San Sebastián, Puerto Rico 67.1 km (41.6 mi) NW of Arecibo, Puerto Rico
Location Uncertainty	Horizontal: 5.1 km; Vertical 7.2 km
Parameters	Nph = 29; Dmin = 41.9 km; Rmss = 0.52 seconds; Gp = 98° Version =
Event ID	us 6000r36i

(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
National Earthquake Information Center
U.S. Geological Survey


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