M 4.8 earthquake: North Pacific Ocean (Japan) — December 23, 2010

M 4.8 earthquake: North Pacific Ocean (Japan) — December 23, 2010. Epicenter 1010 km S of Yokohama, depth 15 km, 10:33 Local (2010-12-23 00:33 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (1010 km S, Japan) — 26.883, 143.187

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