2025-02-28 18:37:09 (M4.7) Southwest Indian Ridge -34.7 53.9 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.7 Earthquake - Southwest Indian Ridge

Preliminary Report

Magnitude	4.7
Date-Time	Universal Time (UTC): 28 Feb 2025 18:37:09 Time near the Epicenter (1): 28 Feb 2025 22:37:09 Time in your area (1): 28 Feb 2025 10:37:09
Location	34.700S 53.930E
Depth	10 km
Distances	1263.6 km (783.4 mi) SE of Tôlanaro, Madagascar 1295.0 km (802.9 mi) SE of Amboasary, Madagascar 1297.9 km (804.7 mi) SE of Ambovombe, Madagascar 1321.6 km (819.4 mi) SE of Tsiombe, Madagascar 1347.4 km (835.4 mi) SE of Kopoky, Madagascar
Location Uncertainty	Horizontal: 10.9 km; Vertical 1.8 km
Parameters	Nph = 71; Dmin = 1268.8 km; Rmss = 0.50 seconds; Gp = 76° Version =
Event ID	us 6000pw4q

(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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