M 4.8 earthquake: North Pacific Ocean (Japan) — December 23, 1988

M 4.8 earthquake: North Pacific Ocean (Japan) — December 23, 1988. Epicenter 419 km E of Kushiro, depth 33 km, 23:50 Local (1988-12-23 13:50 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (419 km E, Japan) — 43.888, 149.407

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