M 4.5 earthquake: North Pacific Ocean (Japan) — January 5, 1984

M 4.5 earthquake: North Pacific Ocean (Japan) — January 5, 1984. Epicenter 800 km S of Hamamatsu, depth 511 km, 05:31 Local (1984-01-04 20:31 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (800 km S, Japan) — 27.718, 139.695

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