M 4.5 earthquake: North Pacific Ocean (Japan) — August 23, 1978

M 4.5 earthquake: North Pacific Ocean (Japan) — August 23, 1978. Epicenter 354 km NE of Kushiro, depth 54 km, 19:37 Local (1978-08-23 09:37 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (354 km NE, Japan) — 44.387, 148.32

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