M 4.6 earthquake: North Pacific Ocean (Japan) — March 29, 1978

M 4.6 earthquake: North Pacific Ocean (Japan) — March 29, 1978. Epicenter 434 km E of Kushiro, depth 35 km, 12:40 Local (1978-03-29 02:40 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (434 km E, Japan) — 44.093, 149.541

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