M 4.7 Earthquake: South Pacific Ocean (Tonga) — December 17, 1978

M 4.7 Earthquake: South Pacific Ocean (Tonga) — December 17, 1978. Epicenter 283 km W of Nuku'alofa, depth 502 km, 09:44 Local (1978-12-16 20:44 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (283 km W, Tonga) — -20.442, -177.842

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