M 5.1 earthquake: South Pacific Ocean (Tonga) — February 9, 1978

M 5.1 earthquake: South Pacific Ocean (Tonga) — February 9, 1978. Epicenter 457 km W of Nuku'alofa, depth 576 km, 07:28 Local (1978-02-09 19:28 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (457 km W, Tonga) — -22.126, -179.513

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