2025-12-01 12:29:11 (M4.5) Chile-Bolivia border region -21.2 -68.7 (90be5)

M4.5 Earthquake - Chile-Bolivia border region

Preliminary Report

Magnitude	4.5
Date-Time	Universal Time (UTC): 1 Dec 2025 12:29:12 Time near the Epicenter (1): 1 Dec 2025 08:29:12 Time in your area (1): 1 Dec 2025 04:29:12
Location	21.202S 68.733W
Depth	115 km
Distances	49.9 km (30.9 mi) W of Ollagüe, Chile 140.3 km (87.0 mi) N of Calama, Chile 176.3 km (109.3 mi) SE of Alto Hospicio, Chile 177.2 km (109.9 mi) SE of La Tirana, Chile 183.8 km (114.0 mi) SE of Iquique, Chile
Location Uncertainty	Horizontal: 6.0 km; Vertical 6.1 km
Parameters	Nph = 70; Dmin = 80.3 km; Rmss = 0.69 seconds; Gp = 42° Version =
Event ID	us 7000reva

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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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