2025-09-18 19:07:47 (M5.4) Scotia Sea -60.4 -31.5 (70fa9)

M5.4 Earthquake - Scotia Sea

Preliminary Report

Magnitude	5.4
Date-Time	Universal Time (UTC): 18 Sep 2025 19:07:48 Time near the Epicenter (1): 18 Sep 2025 17:07:48 Time in your area (1): 19 Sep 2025 00:37:48
Location	60.385S 31.491W
Depth	10 km
Distances	2210.0 km (1370.2 mi) E of Tolhuin, Argentina 2254.5 km (1397.8 mi) E of Ushuaia, Argentina 2281.6 km (1414.6 mi) E of Río Grande, Argentina 2497.3 km (1548.4 mi) E of Punta Arenas, Chile 2504.5 km (1552.8 mi) E of Río Gallegos, Argentina
Location Uncertainty	Horizontal: 11.0 km; Vertical 1.8 km
Parameters	Nph = 94; Dmin = 743.6 km; Rmss = 0.39 seconds; Gp = 55° Version =
Event ID	us 7000qx2n

(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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