M 5.9 earthquake: North Pacific Ocean (Japan) — April 16, 1986

M 5.9 earthquake: North Pacific Ocean (Japan) — April 16, 1986. Epicenter 569 km S of Yokohama, depth 31 km, 10:31 Local (1986-04-16 01:31 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (569 km S, Japan) — 30.612, 141.645

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