2021-09-20 21:58:24 (M3.9) Puerto Rico region 17.9 -66.8 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M3.9 Earthquake - Puerto Rico region

Preliminary Report

Magnitude	3.9
Date-Time	20 Sep 2021 21:58:24 UTC 20 Sep 2021 17:58:24 near epicenter 20 Sep 2021 13:58:24 standard time in your timezone
Location	17.948N 66.842W
Depth	20 km
Distances	5.7 km (3.5 mi) SSW of Indios, Puerto Rico 7.5 km (4.6 mi) ESE of Gu�nica, Puerto Rico 9.7 km (6.0 mi) S of Yauco, Puerto Rico 24.1 km (14.9 mi) WSW of Ponce, Puerto Rico 26.1 km (16.2 mi) SE of San Germ�n, Puerto Rico
Location Uncertainty	Horizontal: 5.2 km; Vertical 12.1 km
Parameters	Nph = 31; Dmin = 10.5 km; Rmss = 0.27 seconds; Gp = 192° Version =
Event ID	us 7000fd0m

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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