M 4.5 earthquake: North Pacific Ocean (Japan) — April 4, 1975

M 4.5 earthquake: North Pacific Ocean (Japan) — April 4, 1975. Epicenter 344 km E of Kushiro, depth 42 km, 14:17 Local (1975-04-04 04:17 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (344 km E, Japan) — 44.002, 148.404

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