M 4.5 earthquake: South Pacific Ocean (Tonga) — May 11, 1978

M 4.5 earthquake: South Pacific Ocean (Tonga) — May 11, 1978. Epicenter 344 km NW of Nuku'alofa, depth 620 km, 20:21 Local (1978-05-12 08:21 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (344 km NW, Tonga) — -19.224, -177.813

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