M 4.7 earthquake: North Pacific Ocean (Japan) — December 23, 1985

M 4.7 earthquake: North Pacific Ocean (Japan) — December 23, 1985. Epicenter 781 km S of Hamamatsu, depth 33 km, 03:20 Local (1985-12-22 18:20 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (781 km S, Japan) — 28.132, 140.599

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