M 5.1 earthquake: North Pacific Ocean (Japan) — December 14, 1977

M 5.1 earthquake: North Pacific Ocean (Japan) — December 14, 1977. Epicenter 271 km E of Kushiro, depth 20 km, 17:55 Local (1977-12-14 08:55 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (271 km E, Japan) — 42.274, 147.551

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