M 4.6 earthquake: South Pacific Ocean (Tonga) — February 13, 1977

M 4.6 earthquake: South Pacific Ocean (Tonga) — February 13, 1977. Epicenter 356 km NW of Nuku'alofa, depth 605 km, 22:07 Local (1977-02-14 10:07 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (356 km NW, Tonga) — -18.954, -177.71

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