M 4.9 earthquake: North Pacific Ocean (Japan) — May 31, 1985

M 4.9 earthquake: North Pacific Ocean (Japan) — May 31, 1985. Epicenter 734 km S of Hamamatsu, depth 52 km, 05:00 Local (1985-05-30 20:00 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (734 km S, Japan) — 28.551, 140.489

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