M 4.9 earthquake: South Pacific Ocean (Tonga) — March 28, 1981

M 4.9 earthquake: South Pacific Ocean (Tonga) — March 28, 1981. Epicenter 419 km NW of Neiafu, depth 33 km, 02:19 Local (1981-03-28 14:19 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (419 km NW, Tonga) — -15.355, -175.904

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