M 5.6 earthquake: South Pacific Ocean (Tonga) — June 20, 1990

M 5.6 earthquake: South Pacific Ocean (Tonga) — June 20, 1990. Epicenter 377 km W of Nuku'alofa, depth 612 km, 07:07 Local (1990-06-19 19:07 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (377 km W, Tonga) — -21.038, -178.855

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