M 6.4 earthquake: North Pacific Ocean (Japan) — December 23, 2010

M 6.4 earthquake: North Pacific Ocean (Japan) — December 23, 2010. Epicenter 1031 km SE of Yokohama, depth 18 km, 07:49 Local (2010-12-22 21:49 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (1031 km SE, Japan) — 26.81, 143.595

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