2026-08-24 05:04:04 (M4.5) Catamarca-La Rioja region, Argentina -28.1 -67.2 (90be5)

M4.5 Earthquake - Catamarca-La Rioja region, Argentina

Preliminary Report

Magnitude	4.5
Date-Time	Universal Time (UTC): 24 Aug 2026 05:04:04 Time near the Epicenter (1): 24 Aug 2026 02:04:04 Time in your area (1): 23 Aug 2026 21:04:04
Location	28.143S 67.154W
Depth	129 km
Distances	41.3 km (25.6 mi) ESE of Tinogasta, Argentina 60.1 km (37.3 mi) NW of Arauco, Argentina 103.3 km (64.1 mi) SW of Andalgalá, Argentina 117.8 km (73.0 mi) NNE of Chilecito, Argentina 139.1 km (86.2 mi) WNW of Catamarca, Argentina
Location Uncertainty	Horizontal: 8.3 km; Vertical 8.0 km
Parameters	Nph = 98; Dmin = 359.8 km; Rmss = 0.61 seconds; Gp = 65° Version =
Event ID	us 6000tn29

(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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