M 4.7 earthquake: North Pacific Ocean (Japan) — May 23, 1986

M 4.7 earthquake: North Pacific Ocean (Japan) — May 23, 1986. Epicenter 586 km S of Yokohama, depth 33 km, 08:41 Local (1986-05-22 23:41 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (586 km S, Japan) — 30.529, 141.919

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