M 4.7 earthquake: North Pacific Ocean (Japan) — April 6, 1973

M 4.7 earthquake: North Pacific Ocean (Japan) — April 6, 1973. Epicenter 281 km E of Kushiro, depth 33 km, 09:00 Local (1973-04-06 00:00 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (281 km E, Japan) — 43.604, 147.733

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