M 5.6 earthquake: North Pacific Ocean (Japan) — November 18, 1984

M 5.6 earthquake: North Pacific Ocean (Japan) — November 18, 1984. Epicenter 743 km S of Hamamatsu, depth 450 km, 03:27 Local (1984-11-17 18:27 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (743 km S, Japan) — 28.299, 139.919

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