M 4.6 earthquake: North Pacific Ocean (Japan) — March 17, 1986

M 4.6 earthquake: North Pacific Ocean (Japan) — March 17, 1986. Epicenter 791 km S of Hamamatsu, depth 33 km, 09:57 Local (1986-03-17 00:57 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (791 km S, Japan) — 28.054, 140.652

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