2025-05-09 03:22:49 (M4.2) Chile-Bolivia border region -21.5 -68.5 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.2 Earthquake - Chile-Bolivia border region

Preliminary Report

Magnitude	4.2
Date-Time	Universal Time (UTC): 9 May 2025 03:22:50 Time near the Epicenter (1): 8 May 2025 23:22:50 Time in your area (1): 8 May 2025 19:22:50
Location	21.493S 68.482W
Depth	145 km
Distances	37.9 km (23.5 mi) SW of Ollagüe, Chile 116.1 km (72.0 mi) NNE of Calama, Chile 189.5 km (117.5 mi) ENE of Tocopilla, Chile 206.8 km (128.2 mi) WSW of Uyuni, Bolivia 224.1 km (138.9 mi) SE of Iquique, Chile
Location Uncertainty	Horizontal: 6.0 km; Vertical 7.3 km
Parameters	Nph = 22; Dmin = 115.5 km; Rmss = 0.89 seconds; Gp = 52° Version =
Event ID	us 7000py5b

(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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