M 5.3 earthquake: South Pacific Ocean (Tonga) — August 1, 1978

M 5.3 earthquake: South Pacific Ocean (Tonga) — August 1, 1978. Epicenter 357 km NW of Nuku'alofa, depth 609 km, 20:58 Local (1978-08-02 08:58 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (357 km NW, Tonga) — -18.858, -177.62

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