M 4.7 earthquake: North Pacific Ocean (Japan) — December 15, 1977

M 4.7 earthquake: North Pacific Ocean (Japan) — December 15, 1977. Epicenter 366 km E of Kushiro, depth 57 km, 09:26 Local (1977-12-14 23:26 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (366 km E, Japan) — 44.148, 148.613

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