M 4.5 earthquake: North Pacific Ocean (Japan) — April 6, 1973

M 4.5 earthquake: North Pacific Ocean (Japan) — April 6, 1973. Epicenter 265 km E of Kushiro, depth 33 km, 10:57 Local (1973-04-06 01:57 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (265 km E, Japan) — 43.514, 147.559

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