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

M 4.6 earthquake: North Pacific Ocean (Japan) — February 25, 1986. Epicenter 777 km S of Hamamatsu, depth 33 km, 19:39 Local (1986-02-25 10:39 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (777 km S, Japan) — 28.173, 140.615

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