M 4.5 earthquake: South Pacific Ocean (Tonga) — May 21, 1981

M 4.5 earthquake: South Pacific Ocean (Tonga) — May 21, 1981. Epicenter 395 km N of Neiafu, depth 33 km, 18:16 Local (1981-05-22 06:16 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (395 km N, Tonga) — -15.33, -175.317

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