2025-12-20 10:25:04 (M5.3) Balleny Islands region -63.7 172.4 (70fa9)

M5.3 Earthquake - Balleny Islands region

Preliminary Report

Magnitude	5.3
Date-Time	Universal Time (UTC): 20 Dec 2025 10:25:04 Time near the Epicenter (1): 20 Dec 2025 21:25:04 Time in your area (1): 20 Dec 2025 15:55:04
Location	63.692S 172.383E
Depth	10 km
Distances	1915.6 km (1187.7 mi) S of Papatowai, New Zealand 1941.2 km (1203.5 mi) S of Invercargill, New Zealand 1969.7 km (1221.2 mi) S of Gore, New Zealand 1986.8 km (1231.8 mi) S of Dunedin, New Zealand 2071.6 km (1284.4 mi) S of Oamaru, New Zealand
Location Uncertainty	Horizontal: 12.9 km; Vertical 1.9 km
Parameters	Nph = 26; Dmin = 1588.1 km; Rmss = 0.78 seconds; Gp = 114° Version =
Event ID	us 6000rw6a

(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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