M 4.9 earthquake: North Pacific Ocean (Japan) — December 22, 1990

M 4.9 earthquake: North Pacific Ocean (Japan) — December 22, 1990. Epicenter 364 km NE of Kushiro, depth 33 km, 09:58 Local (1990-12-21 23:58 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (364 km NE, Japan) — 44.183, 148.577

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