M 4.6 earthquake: North Pacific Ocean (Japan) — October 17, 1985

M 4.6 earthquake: North Pacific Ocean (Japan) — October 17, 1985. Epicenter 491 km S of Hamamatsu, depth 443 km, 10:44 Local (1985-10-17 01:44 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (491 km S, Japan) — 30.342, 138.423

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