2021-10-18 02:48:42 (M3.6) Puerto Rico region 19.1 -66.5 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M3.6 Earthquake - Puerto Rico region

Preliminary Report

Magnitude	3.6
Date-Time	18 Oct 2021 02:48:42 UTC 17 Oct 2021 22:48:42 near epicenter 17 Oct 2021 18:48:42 standard time in your timezone
Location	19.115N 66.535W
Depth	22 km
Distances	72.4 km (44.9 mi) N of Tierras Nuevas Poniente, Puerto Rico 73.5 km (45.6 mi) N of Barceloneta, Puerto Rico 73.6 km (45.6 mi) NNE of Arecibo, Puerto Rico 75.8 km (47.0 mi) NNW of Vega Baja, Puerto Rico 76.2 km (47.2 mi) N of Manat�, Puerto Rico
Location Uncertainty	Horizontal: 0.7 km; Vertical 14.2 km
Parameters	Nph = 50; Dmin = 70.9 km; Rmss = 0.22 seconds; Gp = 231° Version =
Event ID	pr 2021291000

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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