M 4.8 earthquake: South Pacific Ocean (Tonga) — September 17, 2026

M 4.8 earthquake: South Pacific Ocean (Tonga) — September 17, 2026. Epicenter 413 km W of Nuku'alofa, depth 506 km, 18:42 Local (2026-09-18 06:42 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (413 km W, Tonga) — -22.007, -179.099

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