M 5.1 earthquake: North Pacific Ocean (Japan) — October 31, 1988

M 5.1 earthquake: North Pacific Ocean (Japan) — October 31, 1988. Epicenter 741 km E of Kushiro, depth 33 km, 10:11 Local (1988-10-31 00:11 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (741 km E, Japan) — 44.081, 153.446

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