M 5.0 earthquake: South Pacific Ocean (Tonga) — December 21, 1980

M 5.0 earthquake: South Pacific Ocean (Tonga) — December 21, 1980. Epicenter 335 km W of Nuku'alofa, depth 579 km, 14:02 Local (1980-12-22 02:02 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (335 km W, Tonga) — -20.729, -178.416

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