M 4.7 earthquake: South Pacific Ocean (Tonga) — December 29, 1976

M 4.7 earthquake: South Pacific Ocean (Tonga) — December 29, 1976. Epicenter 328 km NW of Nuku'alofa, depth 602 km, 08:52 Local (1976-12-29 20:52 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (328 km NW, Tonga) — -19.54, -177.863

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