2020-12-20 23:36:04 (M4.9) Antofagasta, Chile -22.8 -68.8 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.9 Earthquake - Antofagasta, Chile

Preliminary Report

Magnitude	4.9
Date-Time	20 Dec 2020 23:36:04 UTC 20 Dec 2020 20:36:04 near epicenter 20 Dec 2020 15:36:04 standard time in your timezone
Location	22.761S 68.755W
Depth	105 km
Distances	37.9 km (23.5 mi) SSE of Calama, Chile 166.0 km (102.9 mi) ESE of Tocopilla, Chile 194.8 km (120.8 mi) ENE of Antofagasta, Chile 317.0 km (196.5 mi) SSE of Iquique, Chile 323.8 km (200.8 mi) SW of Uyuni, Bolivia
Location Uncertainty	Horizontal: 5.4 km; Vertical 5.6 km
Parameters	Nph = 160; Dmin = 62.7 km; Rmss = 1.13 seconds; Gp = 61° Version =
Event ID	us 7000cst0

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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