M 4.8 earthquake: North Pacific Ocean (Japan) — April 27, 1978

M 4.8 earthquake: North Pacific Ocean (Japan) — April 27, 1978. Epicenter 387 km NE of Kushiro, depth 43 km, 01:20 Local (1978-04-26 15:20 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (387 km NE, Japan) — 44.287, 148.835

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