2025-05-18 03:24:03 (M4.2) Chile-Bolivia border region -20.9 -69.0 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.2 Earthquake - Chile-Bolivia border region

Preliminary Report

Magnitude	4.2
Date-Time	Universal Time (UTC): 18 May 2025 03:24:04 Time near the Epicenter (1): 17 May 2025 23:24:04 Time in your area (1): 17 May 2025 19:24:04
Location	20.935S 68.968W
Depth	109 km
Distances	80.9 km (50.2 mi) WNW of Ollagüe, Chile 139.6 km (86.5 mi) ESE of Alto Hospicio, Chile 140.6 km (87.2 mi) ESE of La Tirana, Chile 143.3 km (88.9 mi) ESE of Playa Brava, Chile 146.9 km (91.1 mi) ESE of Iquique, Chile
Location Uncertainty	Horizontal: 3.3 km; Vertical 6.2 km
Parameters	Nph = 30; Dmin = 55.3 km; Rmss = 0.75 seconds; Gp = 62° Version =
Event ID	us 7000pzyb

(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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