M 5.3 earthquake: South Pacific Ocean (Tonga) — May 19, 1980

M 5.3 earthquake: South Pacific Ocean (Tonga) — May 19, 1980. Epicenter 558 km SW of Nuku'alofa, depth 539 km, 16:24 Local (1980-05-20 04:24 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (558 km SW, Tonga) — -23.821, -179.816

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