M 5.0 earthquake: South Pacific Ocean (Tonga) — October 11, 1977

M 5.0 earthquake: South Pacific Ocean (Tonga) — October 11, 1977. Epicenter 421 km W of Nuku'alofa, depth 620 km, 17:19 Local (1977-10-12 05:19 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (421 km W, Tonga) — -21.534, -179.26

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