M 4.7 earthquake: South Pacific Ocean (Tonga) — September 17, 1989

M 4.7 earthquake: South Pacific Ocean (Tonga) — September 17, 1989. Epicenter 280 km W of Neiafu, depth 33 km, 00:53 Local (1989-09-16 11:53 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (280 km W, Tonga) — -17.977, -176.536

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