M 4.8 earthquake: North Pacific Ocean (Japan) — April 30, 1991

M 4.8 earthquake: North Pacific Ocean (Japan) — April 30, 1991. Epicenter 659 km E of Kushiro, depth 33 km, 01:36 Local (1991-04-29 15:36 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (659 km E, Japan) — 44.427, 152.323

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