M 5.1 earthquake: North Pacific Ocean (Japan) — May 21, 1986

M 5.1 earthquake: North Pacific Ocean (Japan) — May 21, 1986. Epicenter 336 km E of Kushiro, depth 40 km, 16:16 Local (1986-05-21 06:16 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (336 km E, Japan) — 43.734, 148.397

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