M 4.5 earthquake: South Pacific Ocean (Tonga) — September 15, 1990

M 4.5 earthquake: South Pacific Ocean (Tonga) — September 15, 1990. Epicenter 357 km W of Nuku'alofa, depth 541 km, 05:43 Local (1990-09-14 17:43 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (357 km W, Tonga) — -20.681, -178.627

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