M 5.4 earthquake: North Pacific Ocean (Japan) — July 10, 1971

M 5.4 earthquake: North Pacific Ocean (Japan) — July 10, 1971. Epicenter 290 km E of Kushiro, depth 18 km, 01:44 Local (1971-07-09 16:44 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (290 km E, Japan) — 43.434, 147.897

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