M 4.6 earthquake: North Pacific Ocean (Japan) — February 9, 2012

M 4.6 earthquake: North Pacific Ocean (Japan) — February 9, 2012. Epicenter 250 km E of Mito, depth 10 km, 16:09 Local (2012-02-09 07:09 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (250 km E, Japan) — 35.529, 143.06

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