M 5.1 earthquake: South Pacific Ocean (Tonga) — March 11, 1981

M 5.1 earthquake: South Pacific Ocean (Tonga) — March 11, 1981. Epicenter 290 km S of Nuku'alofa, depth 33 km, 22:39 Local (1981-03-11 09:39 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (290 km S, Tonga) — -23.741, -175.324

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