M 5.1 Earthquake: South Pacific Ocean (Tonga) — January 3, 1977

M 5.1 Earthquake: South Pacific Ocean (Tonga) — January 3, 1977. Epicenter 558 km SW of Nuku'alofa, depth 540 km, 01:53 Local (1977-01-03 13:53 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (558 km SW, Tonga) — -23.58, -179.96

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