2025-12-20 06:57:09 (M5.6) Balleny Islands region -63.9 172.7 (70fa9)

M5.6 Earthquake - Balleny Islands region

Preliminary Report

Magnitude	5.6
Date-Time	Universal Time (UTC): 20 Dec 2025 06:57:10 Time near the Epicenter (1): 20 Dec 2025 19:57:10 Time in your area (1): 20 Dec 2025 12:27:10
Location	63.894S 172.707E
Depth	10 km
Distances	1940.0 km (1202.8 mi) S of Papatowai, New Zealand 1966.1 km (1219.0 mi) S of Invercargill, New Zealand 1994.3 km (1236.5 mi) S of Gore, New Zealand 2010.7 km (1246.6 mi) S of Dunedin, New Zealand 2095.1 km (1299.0 mi) S of Oamaru, New Zealand
Location Uncertainty	Horizontal: 11.7 km; Vertical 1.9 km
Parameters	Nph = 27; Dmin = 1305.3 km; Rmss = 0.97 seconds; Gp = 119° Version =
Event ID	us 6000rw5u

(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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