M 4.5 earthquake: North Pacific Ocean (Japan) — April 23, 1985

M 4.5 earthquake: North Pacific Ocean (Japan) — April 23, 1985. Epicenter 267 km S of Hamamatsu, depth 400 km, 08:38 Local (1985-04-22 23:38 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (267 km S, Japan) — 32.313, 137.771

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