M 4.9 earthquake: North Pacific Ocean (Japan) — April 23, 1999

M 4.9 earthquake: North Pacific Ocean (Japan) — April 23, 1999. Epicenter 466 km SE of Shizuoka, depth 54 km, 00:59 Local (1999-04-22 15:59 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (466 km SE, Japan) — 31.347, 140.879

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