M 4.5 earthquake: South Pacific Ocean (Tonga) — March 9, 2026

M 4.5 earthquake: South Pacific Ocean (Tonga) — March 9, 2026. Epicenter 309 km N of Neiafu, depth 134 km, 22:06 Local (2026-03-09 09:06 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (309 km N, Tonga) — -15.8698, -173.8541

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