M 4.9 earthquake: North Pacific Ocean (Japan) — October 3, 1987

M 4.9 earthquake: North Pacific Ocean (Japan) — October 3, 1987. Epicenter 278 km E of Kushiro, depth 38 km, 09:21 Local (1987-10-03 00:21 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (278 km E, Japan) — 43.238, 147.781

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