M 6.3 earthquake: North Pacific Ocean (Japan) — May 21, 1986

M 6.3 earthquake: North Pacific Ocean (Japan) — May 21, 1986. Epicenter 336 km E of Kushiro, depth 39 km, 15:47 Local (1986-05-21 05:47 UTC). Shaking felt by ~1.1M people. Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (336 km E, Japan) — 43.684, 148.416

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