2021-12-10 01:25:33 (M4.0) Puerto Rico region 18.0 -66.8 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.0 Earthquake - Puerto Rico region

Preliminary Report

Magnitude	4.0
Date-Time	10 Dec 2021 01:25:33 UTC 9 Dec 2021 21:25:33 near epicenter 9 Dec 2021 17:25:33 standard time in your timezone
Location	17.979N 66.836W
Depth	18 km
Distances	2.5 km (1.5 mi) SW of Indios, Puerto Rico 6.3 km (3.9 mi) SSE of Yauco, Puerto Rico 22.8 km (14.1 mi) W of Ponce, Puerto Rico 24.8 km (15.4 mi) ESE of San Germ�n, Puerto Rico 34.8 km (21.6 mi) ESE of Cabo Rojo, Puerto Rico
Location Uncertainty	Horizontal: 3.3 km; Vertical 4.0 km
Parameters	Nph = 30; Dmin = 7.9 km; Rmss = 0.37 seconds; Gp = 112° Version =
Event ID	us 6000gb1h

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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