M 4.6 earthquake: South Pacific Ocean (Tonga) — June 18, 1990

M 4.6 earthquake: South Pacific Ocean (Tonga) — June 18, 1990. Epicenter 309 km SW of Nuku'alofa, depth 304 km, 23:30 Local (1990-06-19 11:30 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (309 km SW, Tonga) — -22.558, -177.795

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