M 5.4 earthquake: South Pacific Ocean (Tonga) — January 14, 1978

M 5.4 earthquake: South Pacific Ocean (Tonga) — January 14, 1978. Epicenter 373 km W of Nuku'alofa, depth 619 km, 13:06 Local (1978-01-15 01:06 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (373 km W, Tonga) — -21.635, -178.784

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