M 4.9 earthquake: North Pacific Ocean (Japan) — April 17, 1986

M 4.9 earthquake: North Pacific Ocean (Japan) — April 17, 1986. Epicenter 768 km SE of Hamamatsu, depth 33 km, 21:58 Local (1986-04-17 12:58 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (768 km SE, Japan) — 28.32, 140.796

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