M 4.6 earthquake: South Pacific Ocean (Tonga) — April 28, 1982

M 4.6 earthquake: South Pacific Ocean (Tonga) — April 28, 1982. Epicenter 380 km W of Nuku'alofa, depth 593 km, 17:37 Local (1982-04-28 05:37 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (380 km W, Tonga) — -20.648, -178.843

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