M 4.5 earthquake: North Pacific Ocean (Japan) — December 23, 2010

M 4.5 earthquake: North Pacific Ocean (Japan) — December 23, 2010. Epicenter 978 km SE of Yokohama, depth 10 km, 02:50 Local (2010-12-22 16:50 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (978 km SE, Japan) — 27.262, 143.44

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