M 4.9 earthquake: South Pacific Ocean (Tonga) — September 17, 2021

M 4.9 earthquake: South Pacific Ocean (Tonga) — September 17, 2021. Epicenter 483 km SW of Nuku'alofa, depth 510 km, 08:42 Local (2021-09-16 19:42 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (483 km SW, Tonga) — -23.791, -178.946

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