M 5.1 Earthquake: South Pacific Ocean (Tonga) — October 7, 1978

M 5.1 Earthquake: South Pacific Ocean (Tonga) — October 7, 1978. Epicenter 277 km W of Nuku'alofa, depth 501 km, 21:17 Local (1978-10-07 08:17 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (277 km W, Tonga) — -20.186, -177.681

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