M 4.7 earthquake: South Pacific Ocean (Tonga) — January 30, 1983

M 4.7 earthquake: South Pacific Ocean (Tonga) — January 30, 1983. Epicenter 393 km W of Nuku'alofa, depth 576 km, 13:04 Local (1983-01-31 01:04 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (393 km W, Tonga) — -21.688, -178.971

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