2021-07-16 17:48:33 (M3.9) Experimental explosion off the east coast of the United States 30.0 -79.3 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M3.9 Experimental explosion - off the east coast of the United States

Preliminary Report

Magnitude	3.9
Date-Time	16 Jul 2021 17:48:33 UTC 16 Jul 2021 13:48:33 near epicenter 16 Jul 2021 09:48:33 standard time in your timezone
Location	30.036N 79.316W
Depth	0 km
Distances	185.7 km (115.2 mi) ENE of Ormond-by-the-Sea, Florida 187.9 km (116.5 mi) ENE of Ormond Beach, Florida 188.4 km (116.8 mi) ENE of Holly Hill, Florida 188.9 km (117.1 mi) ENE of Daytona Beach, Florida 372.6 km (231.0 mi) N of West End, Bahamas
Location Uncertainty	Horizontal: 6.8 km; Vertical 2.0 km
Parameters	Nph = 140; Dmin = 271.0 km; Rmss = 0.78 seconds; Gp = 111° Version =
Event ID	us 7000emme

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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