M 5.5 earthquake: North Pacific Ocean (Japan) — December 22, 2010

M 5.5 earthquake: North Pacific Ocean (Japan) — December 22, 2010. Epicenter 993 km S of Yokohama, depth 8 km, 03:41 Local (2010-12-21 17:41 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (993 km S, Japan) — 27.081, 143.308

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