2025-07-21 22:57:16 (M4.9) north of Ascension Island -4.3 -12.2 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.9 Earthquake - north of Ascension Island

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 21 Jul 2025 22:57:17 Time near the Epicenter (1): 21 Jul 2025 21:57:17 Time in your area (1): 21 Jul 2025 14:57:17
Location	4.254S 12.170W
Depth	10 km
Distances	476.1 km (295.2 mi) NNE of Georgetown, Saint Helena 1075.7 km (666.9 mi) SSW of Harper, Liberia 1082.1 km (670.9 mi) SSW of Greenville, Liberia 1098.9 km (681.3 mi) SSW of Tabou, Ivory Coast 1144.8 km (709.8 mi) SSW of Buchanan, Liberia
Location Uncertainty	Horizontal: 13.0 km; Vertical 1.9 km
Parameters	Nph = 37; Dmin = 2124.5 km; Rmss = 0.64 seconds; Gp = 59° Version =
Event ID	us 6000qu17

(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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