M 4.6 earthquake: North Pacific Ocean (Japan) — January 5, 1986

M 4.6 earthquake: North Pacific Ocean (Japan) — January 5, 1986. Epicenter 772 km S of Hamamatsu, depth 55 km, 15:31 Local (1986-01-05 06:31 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (772 km S, Japan) — 28.215, 140.6

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