M 4.6 earthquake: North Pacific Ocean (Japan) — October 22, 1999

M 4.6 earthquake: North Pacific Ocean (Japan) — October 22, 1999. Epicenter 880 km S of Yokohama, depth 33 km, 01:15 Local (1999-10-21 15:15 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (880 km S, Japan) — 28.005, 142.815

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