2025-05-22 07:50:38 UPDATED: (M5.3) South Indian Ocean -37.4 51.6 (70fa9)

M5.3 Earthquake - South Indian Ocean

Preliminary Report

Magnitude	5.3
Date-Time	Universal Time (UTC): 22 May 2025 07:50:38 Time near the Epicenter (1): 22 May 2025 10:50:38 Time in your area (1): 22 May 2025 13:20:38
Location	37.408S 51.555E
Depth	10 km
Distances	1439.1 km (892.2 mi) SSE of Tôlanaro, Madagascar 1451.7 km (900.1 mi) SSE of Ambovombe, Madagascar 1457.2 km (903.4 mi) SSE of Amboasary, Madagascar 1460.6 km (905.6 mi) SSE of Tsiombe, Madagascar 1480.6 km (918.0 mi) SSE of Tranovaho, Madagascar
Location Uncertainty	Horizontal: 11.5 km; Vertical 1.8 km
Parameters	Nph = 49; Dmin = 1002.8 km; Rmss = 0.62 seconds; Gp = 54° Version =
Event ID	us 7000q0r8 ***This event has been revised.

(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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