M 4.5 earthquake: South Pacific Ocean (Tonga) — August 19, 2026

M 4.5 earthquake: South Pacific Ocean (Tonga) — August 19, 2026. Epicenter 287 km NW of Nuku'alofa, depth 408 km, 05:48 Local (2026-08-18 16:48 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (287 km NW, Tonga) — -20.0224, -177.7054