M 6.3 earthquake: South Pacific Ocean (Tonga) — December 21, 1982

M 6.3 earthquake: South Pacific Ocean (Tonga) — December 21, 1982. Epicenter 278 km S of Nuku'alofa, depth 33 km, 06:46 Local (1982-12-20 17:46 UTC). Shaking felt by ~43K people. Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (278 km S, Tonga) — -23.545, -175.939

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