M 4.7 earthquake: North Pacific Ocean (Japan) — April 28, 1978

M 4.7 earthquake: North Pacific Ocean (Japan) — April 28, 1978. Epicenter 426 km NE of Kushiro, depth 34 km, 08:55 Local (1978-04-27 22:55 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (426 km NE, Japan) — 44.454, 149.259

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