M 5.1 earthquake: North Pacific Ocean (Japan) — April 23, 1986

M 5.1 earthquake: North Pacific Ocean (Japan) — April 23, 1986. Epicenter 744 km SE of Hamamatsu, depth 33 km, 05:29 Local (1986-04-22 20:29 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (744 km SE, Japan) — 28.689, 141.155

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