M 4.7 earthquake: North Pacific Ocean (Japan) — March 18, 1986

M 4.7 earthquake: North Pacific Ocean (Japan) — March 18, 1986. Epicenter 412 km S of Hamamatsu, depth 410 km, 16:00 Local (1986-03-18 07:00 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (412 km S, Japan) — 31.035, 138.22

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