M 4.5 earthquake: North Pacific Ocean (Japan) — March 21, 2011

M 4.5 earthquake: North Pacific Ocean (Japan) — March 21, 2011. Epicenter 251 km E of Iwaki, depth 35 km, 01:44 Local (2011-03-20 16:44 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (251 km E, Japan) — 37.01, 143.722

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