M 4.6 earthquake: North Pacific Ocean (Japan) — April 23, 1997

M 4.6 earthquake: North Pacific Ocean (Japan) — April 23, 1997. Epicenter 288 km S of Kanoya, depth 82 km, 03:55 Local (1997-04-22 18:55 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (288 km S, Japan) — 28.933, 129.879

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