M 4.6 earthquake: North Pacific Ocean (Japan) — May 22, 2011

M 4.6 earthquake: North Pacific Ocean (Japan) — May 22, 2011. Epicenter 270 km SE of Mito, depth 18 km, 18:41 Local (2011-05-22 09:41 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (270 km SE, Japan) — 34.843, 142.806

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