2021-06-18 12:30:08 (M4.0) Leeward Islands 19.6 -63.9 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.0 Earthquake - Leeward Islands

Preliminary Report

Magnitude	4.0
Date-Time	18 Jun 2021 12:30:09 UTC 18 Jun 2021 08:30:09 near epicenter 18 Jun 2021 04:30:09 standard time in your timezone
Location	19.555N 63.944W
Depth	129 km
Distances	162.3 km (100.6 mi) NNE of Cruz Bay, U.S. Virgin Islands 169.8 km (105.3 mi) NE of Charlotte Amalie, U.S. Virgin Islands 219.3 km (136.0 mi) NNE of Saint Croix, U.S. Virgin Islands 225.5 km (139.8 mi) NE of Fajardo, Puerto Rico 237.5 km (147.2 mi) ENE of R�o Grande, Puerto Rico
Location Uncertainty	Horizontal: 8.5 km; Vertical 15.9 km
Parameters	Nph = 19; Dmin = 287.4 km; Rmss = 0.47 seconds; Gp = 330° Version =
Event ID	pr 2021169005

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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