M 4.7 earthquake: South Pacific Ocean (Tonga) — April 17, 1993

M 4.7 earthquake: South Pacific Ocean (Tonga) — April 17, 1993. Epicenter 512 km SW of Nuku'alofa, depth 500 km, 05:53 Local (1993-04-17 17:53 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (512 km SW, Tonga) — -23.472, -179.511

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