M 4.7 earthquake: North Pacific Ocean (Japan) — April 10, 1983

M 4.7 earthquake: North Pacific Ocean (Japan) — April 10, 1983. Epicenter 299 km E of Kushiro, depth 33 km, 15:03 Local (1983-04-10 06:03 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (299 km E, Japan) — 43.894, 147.856

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