M 6.4 earthquake: South Pacific Ocean (Tonga) — September 8, 1963

M 6.4 earthquake: South Pacific Ocean (Tonga) — September 8, 1963. Epicenter 560 km SW of Nuku'alofa, depth 545 km, 07:50 Local (1963-09-08 19:50 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (560 km SW, Tonga) — -23.59, -179.976

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