M 5.6 earthquake: South Pacific Ocean (Tonga) — June 17, 1978

M 5.6 earthquake: South Pacific Ocean (Tonga) — June 17, 1978. Epicenter 498 km SW of Nuku'alofa, depth 523 km, 11:12 Local (1978-06-17 23:12 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (498 km SW, Tonga) — -23.068, -179.588

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