M 4.8 earthquake: South Pacific Ocean (Tonga) — June 13, 1977

M 4.8 earthquake: South Pacific Ocean (Tonga) — June 13, 1977. Epicenter 620 km SW of Nuku'alofa, depth 686 km, 18:01 Local (1977-06-13 06:01 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (620 km SW, Tonga) — -23.857, 179.514

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