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

M 4.6 earthquake: North Pacific Ocean (Japan) — December 22, 2010. Epicenter 1028 km SE of Yokohama, depth 10 km, 04:01 Local (2010-12-21 18:01 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (1028 km SE, Japan) — 26.957, 143.924

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