M 5.5 Earthquake: South Pacific Ocean (Tonga) — May 4, 1983

M 5.5 Earthquake: South Pacific Ocean (Tonga) — May 4, 1983. Epicenter 333 km W of Nuku'alofa, depth 594 km, 03:39 Local (1983-05-03 15:39 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (333 km W, Tonga) — -20.29, -178.296

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