M 4.6 earthquake: North Pacific Ocean (Japan) — November 22, 1997

M 4.6 earthquake: North Pacific Ocean (Japan) — November 22, 1997. Epicenter 755 km S of Hamamatsu, depth 350 km, 23:05 Local (1997-11-22 14:05 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (755 km S, Japan) — 28.188, 139.933

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