M 5.0 earthquake: South Pacific Ocean (Tonga) — April 1, 1984

M 5.0 earthquake: South Pacific Ocean (Tonga) — April 1, 1984. Epicenter 561 km SW of Nuku'alofa, depth 519 km, 05:57 Local (1984-04-01 17:57 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (561 km SW, Tonga) — -23.634, -179.967

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