2025-08-11 11:10:44 (M4.9) Chile-Bolivia border region -21.8 -68.7 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.9 Earthquake - Chile-Bolivia border region

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 11 Aug 2025 11:10:45 Time near the Epicenter (1): 11 Aug 2025 07:10:45 Time in your area (1): 11 Aug 2025 03:10:45
Location	21.795S 68.653W
Depth	142 km
Distances	75.5 km (46.8 mi) SSW of Ollagüe, Chile 78.4 km (48.6 mi) NNE of Calama, Chile 163.0 km (101.1 mi) ENE of Tocopilla, Chile 226.6 km (140.5 mi) SE of Alto Hospicio, Chile 234.3 km (145.3 mi) SE of Iquique, Chile
Location Uncertainty	Horizontal: 6.6 km; Vertical 7.2 km
Parameters	Nph = 42; Dmin = 60.9 km; Rmss = 1.37 seconds; Gp = 30° Version =
Event ID	us 6000qzsd

(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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