2021-12-11 16:48:08 (M4.5) western Indian-Antarctic Ridge -50.1 127.6 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.5 Earthquake - western Indian-Antarctic Ridge

Preliminary Report

Magnitude	4.5
Date-Time	11 Dec 2021 16:48:08 UTC 12 Dec 2021 01:48:08 near epicenter 11 Dec 2021 08:48:08 standard time in your timezone
Location	50.136S 127.633E
Depth	10 km
Distances	1643.2 km (1018.8 mi) WSW of Queenstown, Australia 1698.2 km (1052.9 mi) WSW of Kingston, Australia 1704.8 km (1057.0 mi) WSW of Sandy Bay, Australia 1705.5 km (1057.4 mi) WSW of Glenorchy, Australia 1706.1 km (1057.8 mi) WSW of Hobart, Australia
Location Uncertainty	Horizontal: 10.9 km; Vertical 1.9 km
Parameters	Nph = 33; Dmin = 1704.8 km; Rmss = 1.27 seconds; Gp = 97° Version =
Event ID	us 6000gbg6

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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