M 4.7 earthquake: South Pacific Ocean (Tonga) — September 20, 1993

M 4.7 earthquake: South Pacific Ocean (Tonga) — September 20, 1993. Epicenter 383 km W of Nuku'alofa, depth 550 km, 16:55 Local (1993-09-21 04:55 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (383 km W, Tonga) — -21.502, -178.901

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