M 4.5 earthquake: South Pacific Ocean (Tonga) — September 11, 1980

M 4.5 earthquake: South Pacific Ocean (Tonga) — September 11, 1980. Epicenter 486 km SW of Nuku'alofa, depth 416 km, 01:06 Local (1980-09-11 13:06 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (486 km SW, Tonga) — -23.507, -179.197

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