M 4.5 earthquake: Southern Ocean (Antarctica) — December 20, 2025

M 4.5 earthquake: Southern Ocean (Antarctica) — December 20, 2025. Epicenter 1258 km N of Zucchelli Station, depth 10 km, 01:51 Local (2025-12-19 13:51 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Southern Ocean (1258 km N, Antarctica) — -63.6835, 172.6283

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