2026-02-27 16:17:08 (M4.9) Southwest Indian Ridge -27.6 64.3 (90be5)

M4.9 Earthquake - Southwest Indian Ridge

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 27 Feb 2026 16:17:09 Time near the Epicenter (1): 27 Feb 2026 20:17:09 Time in your area (1): 27 Feb 2026 08:17:09
Location	27.580S 64.350E
Depth	10 km
Distances	878.6 km (544.8 mi) S of Baie aux Huîtres, Mauritius 879.8 km (545.5 mi) S of Port Mathurin, Mauritius 1043.0 km (646.7 mi) SE of Mahébourg, Mauritius 1043.1 km (646.7 mi) SE of Plaine Magnien, Mauritius 1047.3 km (649.3 mi) SE of Surinam, Mauritius
Location Uncertainty	Horizontal: 10.6 km; Vertical 1.9 km
Parameters	Nph = 75; Dmin = 871.8 km; Rmss = 0.54 seconds; Gp = 45° Version =
Event ID	us 7000s0sh

(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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