M 5.3 earthquake: South Pacific Ocean (Tonga) — September 30, 1983

M 5.3 earthquake: South Pacific Ocean (Tonga) — September 30, 1983. Epicenter 399 km W of Nuku'alofa, depth 638 km, 05:31 Local (1983-09-30 17:31 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (399 km W, Tonga) — -21.212, -179.072

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