M 5.4 earthquake: South Pacific Ocean (Tonga) — October 3, 1980

M 5.4 earthquake: South Pacific Ocean (Tonga) — October 3, 1980. Epicenter 286 km W of Nuku'alofa, depth 554 km, 14:53 Local (1980-10-03 01:53 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (286 km W, Tonga) — -20.21, -177.781

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