M 4.8 earthquake: South Pacific Ocean (Tonga) — October 16, 1977

M 4.8 earthquake: South Pacific Ocean (Tonga) — October 16, 1977. Epicenter 472 km S of Nuku'alofa, depth 33 km, 15:14 Local (1977-10-17 03:14 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (472 km S, Tonga) — -25.379, -175.177

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