M 4.6 earthquake: North Pacific Ocean (Japan) — April 25, 1986

M 4.6 earthquake: North Pacific Ocean (Japan) — April 25, 1986. Epicenter 774 km S of Hamamatsu, depth 33 km, 01:28 Local (1986-04-24 16:28 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (774 km S, Japan) — 28.214, 140.655

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