M 4.9 earthquake: South Pacific Ocean (Tonga) — September 19, 2026

M 4.9 earthquake: South Pacific Ocean (Tonga) — September 19, 2026. Epicenter 306 km N of Neiafu, depth 10 km, 12:33 Local (2026-09-20 00:33 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (306 km N, Tonga) — -15.9606, -174.5971