2025-09-25 17:02:09 (M5.1) southern Mid-Atlantic Ridge -47.3 -13.5 (70fa9)

M5.1 Earthquake - southern Mid-Atlantic Ridge

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 25 Sep 2025 17:02:10 Time near the Epicenter (1): 25 Sep 2025 16:02:10 Time in your area (1): 25 Sep 2025 22:32:10
Location	47.251S 13.532W
Depth	10 km
Distances	1135.6 km (704.1 mi) S of Edinburgh of the Seven Seas, Saint Helena 3047.8 km (1889.7 mi) WSW of Retreat, South Africa 3052.2 km (1892.4 mi) WSW of Claremont, South Africa 3052.9 km (1892.8 mi) WSW of Cape Town, South Africa 3054.0 km (1893.5 mi) WSW of Lansdowne, South Africa
Location Uncertainty	Horizontal: 11.6 km; Vertical 1.9 km
Parameters	Nph = 45; Dmin = 1136.0 km; Rmss = 0.64 seconds; Gp = 84° Version =
Event ID	us 6000rcvq

(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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