M 5.1 earthquake: South Pacific Ocean (Tonga) — April 29, 1977

M 5.1 earthquake: South Pacific Ocean (Tonga) — April 29, 1977. Epicenter 369 km NW of Nuku'alofa, depth 633 km, 07:08 Local (1977-04-29 19:08 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (369 km NW, Tonga) — -18.716, -177.628

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