M 4.9 earthquake: South Pacific Ocean (Tonga) — July 16, 1978

M 4.9 earthquake: South Pacific Ocean (Tonga) — July 16, 1978. Epicenter 420 km W of Nuku'alofa, depth 530 km, 15:58 Local (1978-07-17 03:58 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (420 km W, Tonga) — -22.061, -179.156

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