M 4.6 earthquake: North Pacific Ocean (Japan) — April 9, 1978

M 4.6 earthquake: North Pacific Ocean (Japan) — April 9, 1978. Epicenter 444 km NE of Kushiro, depth 33 km, 02:19 Local (1978-04-08 16:19 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (444 km NE, Japan) — 44.435, 149.522

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