2023-10-18 10:29:29 UPDATED: (M5.5) Pacific-Antarctic Ridge -55.3 -128.5 (70fa9)

M5.5 Earthquake - Pacific-Antarctic Ridge

Preliminary Report

Magnitude	5.5
Date-Time	Universal Time (UTC): 18 Oct 2023 10:29:30 Time near the Epicenter (1): 18 Oct 2023 01:29:30 Time in your area (1): 18 Oct 2023 15:59:30
Location	55.311S 128.466W
Depth	10 km
Distances	3485.1 km (2160.8 mi) SW of Hanga Roa, Chile 3612.1 km (2239.5 mi) E of Waitangi, New Zealand 3631.9 km (2251.7 mi) WNW of Puerto Natales, Chile 3652.9 km (2264.8 mi) WNW of Punta Arenas, Chile 3722.0 km (2307.7 mi) WNW of Ushuaia, Argentina
Location Uncertainty	Horizontal: 14.2 km; Vertical 1.9 km
Parameters	Nph = 54; Dmin = 3369.8 km; Rmss = 0.48 seconds; Gp = 103° Version =
Event ID	us 6000lgca ***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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