M 5.2 earthquake: South Pacific Ocean (Tonga) — April 20, 1979

M 5.2 earthquake: South Pacific Ocean (Tonga) — April 20, 1979. Epicenter 283 km NW of Nuku'alofa, depth 579 km, 23:42 Local (1979-04-20 10:42 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (283 km NW, Tonga) — -19.998, -177.652

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