M 4.6 earthquake: South Pacific Ocean (Tonga) — July 11, 1990

M 4.6 earthquake: South Pacific Ocean (Tonga) — July 11, 1990. Epicenter 439 km W of Nuku'alofa, depth 597 km, 18:50 Local (1990-07-12 06:50 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (439 km W, Tonga) — -21.917, -179.383

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