2021-09-20 23:44:59 (M3.9) Leeward Islands 19.4 -63.9 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M3.9 Earthquake - Leeward Islands

Preliminary Report

Magnitude	3.9
Date-Time	20 Sep 2021 23:45:00 UTC 20 Sep 2021 19:45:00 near epicenter 20 Sep 2021 15:45:00 standard time in your timezone
Location	19.381N 63.852W
Depth	120 km
Distances	152.8 km (94.7 mi) NE of Cruz Bay, U.S. Virgin Islands 161.7 km (100.2 mi) NE of Charlotte Amalie, U.S. Virgin Islands 205.9 km (127.7 mi) NNE of Saint Croix, U.S. Virgin Islands 222.8 km (138.1 mi) ENE of Fajardo, Puerto Rico 236.1 km (146.4 mi) ENE of R�o Grande, Puerto Rico
Location Uncertainty	Horizontal: 5.9 km; Vertical 7.1 km
Parameters	Nph = 23; Dmin = 198.9 km; Rmss = 0.27 seconds; Gp = 341° Version =
Event ID	pr 2021263007

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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