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

M 4.7 earthquake: South Pacific Ocean (Tonga) — October 22, 1977. Epicenter 417 km W of Nuku'alofa, depth 510 km, 11:34 Local (1977-10-22 23:34 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (417 km W, Tonga) — -22.031, -179.133

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