M 4.7 earthquake: North Pacific Ocean (Japan) — April 22, 1979

M 4.7 earthquake: North Pacific Ocean (Japan) — April 22, 1979. Epicenter 269 km S of Kushiro, depth 33 km, 07:51 Local (1979-04-21 22:51 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (269 km S, Japan) — 40.598, 144.979

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