2019-12-21 23:14:56 (M4.0) Mona Passage 18.8 -67.6 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.0 Earthquake - Mona Passage

Preliminary Report

Magnitude	4.0
Date-Time	21 Dec 2019 23:14:57 UTC 21 Dec 2019 18:14:57 near epicenter 21 Dec 2019 15:14:57 standard time in your timezone
Location	18.784N 67.556W
Depth	34 km
Distances	58.0 km (35.9 mi) NW of Aguadilla, Puerto Rico 64.3 km (39.9 mi) WNW of Isabela, Puerto Rico 77.6 km (48.1 mi) NW of San Sebasti�n, Puerto Rico 78.1 km (48.4 mi) NW of Mayag�ez, Puerto Rico 84.5 km (52.4 mi) NNW of Hormigueros, Puerto Rico
Location Uncertainty	Horizontal: 7.8 km; Vertical 10.0 km
Parameters	Nph = 23; Dmin = 58.5 km; Rmss = 1.36 seconds; Gp = 132° Version =
Event ID	us 70006pm1

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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