M 6.1 earthquake: North Pacific Ocean (Japan) — February 22, 1997

M 6.1 earthquake: North Pacific Ocean (Japan) — February 22, 1997. Epicenter 399 km E of Kushiro, depth 33 km, 09:40 Local (1997-02-21 23:40 UTC). Shaking felt by ~423K people. Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (399 km E, Japan) — 43.829, 149.167

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