2025-07-16 11:10:30 (M4.2) Chile-Bolivia border region -21.4 -68.5 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.2 Earthquake - Chile-Bolivia border region

Preliminary Report

Magnitude	4.2
Date-Time	Universal Time (UTC): 16 Jul 2025 11:10:31 Time near the Epicenter (1): 16 Jul 2025 07:10:31 Time in your area (1): 16 Jul 2025 03:10:31
Location	21.406S 68.481W
Depth	128 km
Distances	31.0 km (19.2 mi) SW of Ollagüe, Chile 125.0 km (77.5 mi) NNE of Calama, Chile 193.2 km (119.8 mi) ENE of Tocopilla, Chile 201.6 km (125.0 mi) WSW of Uyuni, Bolivia 218.2 km (135.3 mi) SE of Iquique, Chile
Location Uncertainty	Horizontal: 8.0 km; Vertical 7.9 km
Parameters	Nph = 19; Dmin = 89.9 km; Rmss = 0.62 seconds; Gp = 76° Version =
Event ID	us 7000qcyy

(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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