M 4.9 earthquake: North Pacific Ocean (Japan) — December 22, 1991

M 4.9 earthquake: North Pacific Ocean (Japan) — December 22, 1991. Epicenter 606 km NE of Kushiro, depth 33 km, 22:41 Local (1991-12-22 12:41 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (606 km NE, Japan) — 44.896, 151.456

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