M 4.8 earthquake: North Pacific Ocean (Japan) — September 20, 1985

M 4.8 earthquake: North Pacific Ocean (Japan) — September 20, 1985. Epicenter 816 km S of Hamamatsu, depth 33 km, 11:41 Local (1985-09-20 02:41 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (816 km S, Japan) — 27.839, 140.736

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