M 4.5 earthquake: South Pacific Ocean (Antarctica) — March 18, 2026

M 4.5 earthquake: South Pacific Ocean (Antarctica) — March 18, 2026. Epicenter 2832 km W of Peter I Island, depth 10 km, 16:23 Local (2026-03-19 01:23 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (2832 km W, Antarctica) — -54.3071, -136.9514

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