2023-03-31 08:27:30 (M4.8) western Indian-Antarctic Ridge -49.1 125.0 (90be5)

M4.8 Earthquake - western Indian-Antarctic Ridge

Preliminary Report

Magnitude	4.8
Date-Time	Universal Time (UTC): 31 Mar 2023 08:27:31 Time near the Epicenter (1): 31 Mar 2023 16:27:31 Time in your area (1): 31 Mar 2023 00:27:31
Location	49.117S 124.984E
Depth	10 km
Distances	1665.8 km (1032.8 mi) SSE of Little Grove, Australia 1669.8 km (1035.3 mi) SSE of Albany, Australia 1783.5 km (1105.7 mi) SW of Mount Gambier, Australia 1831.7 km (1135.6 mi) SSW of Port Lincoln, Australia 1856.0 km (1150.7 mi) WSW of Hobart, Australia
Location Uncertainty	Horizontal: 8.0 km; Vertical 2.0 km
Parameters	Nph = 17; Dmin = 1910.4 km; Rmss = 0.56 seconds; Gp = 168° Version =
Event ID	us 6000k12h

(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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