M 4.6 earthquake: North Pacific Ocean (Japan) — December 22, 2010

M 4.6 earthquake: North Pacific Ocean (Japan) — December 22, 2010. Epicenter 997 km S of Yokohama, depth 10 km, 06:00 Local (2010-12-21 20:00 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (997 km S, Japan) — 27.073, 143.411

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