M 4.8 earthquake: South Pacific Ocean (Tonga) — April 23, 1990

M 4.8 earthquake: South Pacific Ocean (Tonga) — April 23, 1990. Epicenter 370 km W of Nuku'alofa, depth 576 km, 04:47 Local (1990-04-22 16:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (370 km W, Tonga) — -21.058, -178.782

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