2026-08-29 05:40:06 (M5.1) Southwest Indian Ridge -31.8 57.0 (70fa9)

M5.1 Earthquake - Southwest Indian Ridge

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 29 Aug 2026 05:40:06 Time near the Epicenter (1): 29 Aug 2026 09:40:06 Time in your area (1): 29 Aug 2026 11:10:06
Location	31.848S 56.952E
Depth	10 km
Distances	1167.7 km (724.0 mi) S of Saint-Joseph, Reunion 1171.0 km (726.0 mi) S of Petite-Île, Reunion 1173.6 km (727.6 mi) S of Saint-Pierre, Reunion 1180.0 km (731.6 mi) S of Le Tampon, Reunion 1233.5 km (764.8 mi) SE of Tôlanaro, Madagascar
Location Uncertainty	Horizontal: 10.1 km; Vertical 1.9 km
Parameters	Nph = 68; Dmin = 1188.6 km; Rmss = 0.68 seconds; Gp = 49° Version =
Event ID	us 7000tcs7

(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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