M 5.1 earthquake: South Pacific Ocean (Tonga) — February 4, 1983

M 5.1 earthquake: South Pacific Ocean (Tonga) — February 4, 1983. Epicenter 594 km SW of Nuku'alofa, depth 518 km, 05:57 Local (1983-02-03 17:57 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (594 km SW, Tonga) — -23.89, 179.821

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