M 4.6 earthquake: North Pacific Ocean (Japan) — March 27, 1978

M 4.6 earthquake: North Pacific Ocean (Japan) — March 27, 1978. Epicenter 454 km NE of Kushiro, depth 33 km, 20:14 Local (1978-03-27 10:14 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (454 km NE, Japan) — 44.422, 149.662

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