M 4.8 earthquake: North Pacific Ocean (Japan) — March 23, 1978

M 4.8 earthquake: North Pacific Ocean (Japan) — March 23, 1978. Epicenter 399 km NE of Kushiro, depth 33 km, 11:12 Local (1978-03-23 01:12 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (399 km NE, Japan) — 44.322, 148.975

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