M 4.9 earthquake: North Pacific Ocean (Japan) — February 5, 1982

M 4.9 earthquake: North Pacific Ocean (Japan) — February 5, 1982. Epicenter 774 km S of Hamamatsu, depth 472 km, 22:31 Local (1982-02-05 13:31 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (774 km S, Japan) — 28.007, 139.916

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