M 4.6 earthquake: South Pacific Ocean (Tonga) — August 17, 2026

M 4.6 earthquake: South Pacific Ocean (Tonga) — August 17, 2026. Epicenter 258 km S of Nuku'alofa, depth 10 km, 13:25 Local (2026-08-17 00:25 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (258 km S, Tonga) — -23.2848, -174.2748

EarthquakeLive.org