M 4.7 earthquake: South Pacific Ocean (Tonga) — February 22, 1977

M 4.7 earthquake: South Pacific Ocean (Tonga) — February 22, 1977. Epicenter 333 km NW of Nuku'alofa, depth 596 km, 03:16 Local (1977-02-22 15:16 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (333 km NW, Tonga) — -19.52, -177.909

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