2025-08-23 03:01:31 (M4.2) San Juan, Argentina -31.7 -69.5 (90be5)

M4.2 Earthquake - San Juan, Argentina

Preliminary Report

Magnitude	4.2
Date-Time	Universal Time (UTC): 23 Aug 2025 03:01:31 Time near the Epicenter (1): 23 Aug 2025 00:01:31 Time in your area (1): 22 Aug 2025 19:01:31
Location	31.652S 69.455W
Depth	111 km
Distances	35.4 km (21.9 mi) S of Calingasta, Argentina 82.7 km (51.3 mi) W of Pocito, Argentina 88.1 km (54.6 mi) W of San Juan, Argentina 88.7 km (55.0 mi) W of Villa Paula de Sarmiento, Argentina 89.4 km (55.5 mi) WSW of Chimbas, Argentina
Location Uncertainty	Horizontal: 6.3 km; Vertical 7.9 km
Parameters	Nph = 23; Dmin = 75.3 km; Rmss = 1.14 seconds; Gp = 64° Version =
Event ID	us 6000r397

(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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