M 4.8 earthquake: South Pacific Ocean (Tonga) — April 3, 1977

M 4.8 earthquake: South Pacific Ocean (Tonga) — April 3, 1977. Epicenter 291 km NE of Neiafu, depth 33 km, 08:54 Local (1977-04-02 19:54 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (291 km NE, Tonga) — -16.917, -171.921

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