M 4.9 earthquake: South Pacific Ocean (Tonga) — March 17, 1985

M 4.9 earthquake: South Pacific Ocean (Tonga) — March 17, 1985. Epicenter 550 km SW of Nuku'alofa, depth 529 km, 23:39 Local (1985-03-18 11:39 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (550 km SW, Tonga) — -23.864, -179.689

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