2025-12-29 16:39:00 (M4.9) Mid-Indian Ridge -23.6 69.5 (90be5)

M4.9 Earthquake - Mid-Indian Ridge

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 29 Dec 2025 16:39:01 Time near the Epicenter (1): 29 Dec 2025 21:39:01 Time in your area (1): 29 Dec 2025 08:39:01
Location	23.577S 69.515E
Depth	10 km
Distances	764.3 km (473.9 mi) ESE of Port Mathurin, Mauritius 1269.1 km (786.8 mi) ESE of Mahébourg, Mauritius 1269.4 km (787.1 mi) ESE of Bel Air Rivière Sèche, Mauritius 1271.3 km (788.2 mi) ESE of Plaine Magnien, Mauritius 1275.4 km (790.7 mi) ESE of Centre de Flacq, Mauritius
Location Uncertainty	Horizontal: 12.3 km; Vertical 1.8 km
Parameters	Nph = 69; Dmin = 2686.8 km; Rmss = 0.64 seconds; Gp = 53° Version =
Event ID	us 7000rld3

(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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