M 4.8 earthquake: South Pacific Ocean (Tonga) — August 4, 2026

M 4.8 earthquake: South Pacific Ocean (Tonga) — August 4, 2026. Epicenter 367 km S of Nuku'alofa, depth 10 km, 03:28 Local (2026-08-04 15:28 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (367 km S, Tonga) — -24.4351, -175.3415

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