2021-04-28 12:30:15 (M4.6) Southwest Indian Ridge -38.0 49.2 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.6 Earthquake - Southwest Indian Ridge

Preliminary Report

Magnitude	4.6
Date-Time	28 Apr 2021 12:30:15 UTC 28 Apr 2021 15:30:15 near epicenter 28 Apr 2021 04:30:15 standard time in your timezone
Location	37.956S 49.161E
Depth	10 km
Distances	1445.7 km (896.3 mi) SSE of Tsiombe, Madagascar 1446.3 km (896.7 mi) SSE of Ambovombe, Madagascar 1447.7 km (897.6 mi) S of T�lanaro, Madagascar 1456.7 km (903.2 mi) S of Amboasary, Madagascar 1458.2 km (904.1 mi) SSE of Tranovaho, Madagascar
Location Uncertainty	Horizontal: 10.9 km; Vertical 1.9 km
Parameters	Nph = 37; Dmin = 967.6 km; Rmss = 0.55 seconds; Gp = 50° Version =
Event ID	us 7000dy72

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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