2021-12-16 01:00:25 (M4.0) Chile-Argentina border region -31.2 -70.5 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.0 Earthquake - Chile-Argentina border region

Preliminary Report

Magnitude	4.0
Date-Time	16 Dec 2021 01:00:25 UTC 15 Dec 2021 23:00:25 near epicenter 15 Dec 2021 17:00:25 standard time in your timezone
Location	31.222S 70.464W
Depth	113 km
Distances	75.2 km (46.6 mi) SE of Monte Patria, Chile 77.9 km (48.3 mi) NE of Salamanca, Chile 81.1 km (50.3 mi) NE of Illapel, Chile 98.4 km (61.0 mi) SE of Ovalle, Chile 164.4 km (101.9 mi) SSE of La Serena, Chile
Location Uncertainty	Horizontal: 3.5 km; Vertical 6.8 km
Parameters	Nph = 23; Dmin = 47.6 km; Rmss = 0.40 seconds; Gp = 79° Version =
Event ID	us 6000gclj

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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