2025-09-10 00:14:26 (M4.3) Oruro-Potosi border region, Bolivia -19.5 -66.8 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.3 Earthquake - Oruro-Potosi border region, Bolivia

Preliminary Report

Magnitude	4.3
Date-Time	Universal Time (UTC): 10 Sep 2025 00:14:27 Time near the Epicenter (1): 9 Sep 2025 20:14:27 Time in your area (1): 9 Sep 2025 16:14:27
Location	19.459S 66.783W
Depth	259 km
Distances	61.7 km (38.2 mi) S of Challapata, Bolivia 94.4 km (58.5 mi) N of Colchani, Bolivia 109.0 km (67.6 mi) W of Potosí, Bolivia 110.9 km (68.7 mi) N of Uyuni, Bolivia 116.4 km (72.2 mi) S of Llallagua, Bolivia
Location Uncertainty	Horizontal: 8.8 km; Vertical 8.7 km
Parameters	Nph = 38; Dmin = 253.9 km; Rmss = 1.05 seconds; Gp = 88° Version =
Event ID	us 7000qv5m

(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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