M 4.7 earthquake: South Pacific Ocean (Tonga) — January 15, 1981

M 4.7 earthquake: South Pacific Ocean (Tonga) — January 15, 1981. Epicenter 335 km NW of Nuku'alofa, depth 508 km, 04:23 Local (1981-01-14 16:23 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (335 km NW, Tonga) — -19.691, -178.035

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