M 4.9 earthquake: South Pacific Ocean (Tonga) — April 5, 1976

M 4.9 earthquake: South Pacific Ocean (Tonga) — April 5, 1976. Epicenter 377 km W of Nuku'alofa, depth 635 km, 11:11 Local (1976-04-04 23:11 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (377 km W, Tonga) — -20.789, -178.836

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