M 4.9 earthquake: North Pacific Ocean (Japan) — February 6, 1986

M 4.9 earthquake: North Pacific Ocean (Japan) — February 6, 1986. Epicenter 774 km S of Hamamatsu, depth 532 km, 22:00 Local (1986-02-06 13:00 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (774 km S, Japan) — 27.908, 139.427

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