M 4.8 earthquake: North Pacific Ocean (Japan) — August 13, 1977

M 4.8 earthquake: North Pacific Ocean (Japan) — August 13, 1977. Epicenter 319 km NE of Kushiro, depth 67 km, 13:13 Local (1977-08-13 03:13 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (319 km NE, Japan) — 44.325, 147.867

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