M 4.7 earthquake: South Pacific Ocean (Tonga) — May 28, 1999

M 4.7 earthquake: South Pacific Ocean (Tonga) — May 28, 1999. Epicenter 274 km NW of Nuku'alofa, depth 436 km, 13:15 Local (1999-05-28 00:15 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (274 km NW, Tonga) — -20.084, -177.597

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