M 4.6 earthquake: North Pacific Ocean (Japan) — April 8, 2011

M 4.6 earthquake: North Pacific Ocean (Japan) — April 8, 2011. Epicenter 257 km E of Sendai, depth 10 km, 19:04 Local (2011-04-08 10:04 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (257 km E, Japan) — 37.939, 143.922

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