M 5.7 earthquake: North Pacific Ocean (Japan) — March 17, 1986

M 5.7 earthquake: North Pacific Ocean (Japan) — March 17, 1986. Epicenter 836 km S of Hamamatsu, depth 476 km, 18:18 Local (1986-03-17 09:18 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (836 km S, Japan) — 27.421, 139.866

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