M 5.5 earthquake: North Pacific Ocean (Japan) — March 25, 1978

M 5.5 earthquake: North Pacific Ocean (Japan) — March 25, 1978. Epicenter 371 km E of Kushiro, depth 33 km, 06:31 Local (1978-03-24 20:31 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (371 km E, Japan) — 43.857, 148.803

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