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

M 4.9 earthquake: North Pacific Ocean (Japan) — December 22, 1991. Epicenter 608 km NE of Kushiro, depth 33 km, 20:42 Local (1991-12-22 10:42 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (608 km NE, Japan) — 44.854, 151.511

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