2023-10-07 19:52:47 (M4.0) Puerto Rico region 17.9 -66.9 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.0 Earthquake - Puerto Rico region

Preliminary Report

Magnitude	4.0
Date-Time	Universal Time (UTC): 7 Oct 2023 19:52:47 Time near the Epicenter (1): 7 Oct 2023 15:52:47 Time in your area (1): 7 Oct 2023 11:52:47
Location	17.916N 66.912W
Depth	8 km
Distances	6.2 km (3.8 mi) S of Guánica, Puerto Rico 14.7 km (9.1 mi) SSW of Yauco, Puerto Rico 23.1 km (14.3 mi) SE of San Germán, Puerto Rico 31.2 km (19.3 mi) SE of Cabo Rojo, Puerto Rico 32.2 km (20.0 mi) WSW of Ponce, Puerto Rico
Location Uncertainty	Horizontal: 0.5 km; Vertical 1.8 km
Parameters	Nph = 29; Dmin = 15.9 km; Rmss = 0.09 seconds; Gp = 219° Version =
Event ID	pr 2023280001

(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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