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

M 4.6 earthquake: North Pacific Ocean (Japan) — March 27, 1978. Epicenter 355 km E of Kushiro, depth 33 km, 23:12 Local (1978-03-27 13:12 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (355 km E, Japan) — 43.934, 148.568

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