M 4.5 earthquake: South Pacific Ocean (Tonga) — May 31, 1977

M 4.5 earthquake: South Pacific Ocean (Tonga) — May 31, 1977. Epicenter 285 km NW of Nuku'alofa, depth 564 km, 08:11 Local (1977-05-30 19:11 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (285 km NW, Tonga) — -19.748, -177.524

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