M 4.6 earthquake: North Pacific Ocean (Japan) — December 3, 1991

M 4.6 earthquake: North Pacific Ocean (Japan) — December 3, 1991. Epicenter 274 km E of Kushiro, depth 73 km, 00:15 Local (1991-12-02 15:15 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (274 km E, Japan) — 43.476, 147.682

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