M 5.2 earthquake: South Pacific Ocean (Tonga) — August 21, 1991

M 5.2 earthquake: South Pacific Ocean (Tonga) — August 21, 1991. Epicenter 553 km SW of Nuku'alofa, depth 521 km, 19:07 Local (1991-08-22 07:07 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (553 km SW, Tonga) — -23.728, -179.819

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