M 4.7 earthquake: North Pacific Ocean (Japan) — May 22, 2011

M 4.7 earthquake: North Pacific Ocean (Japan) — May 22, 2011. Epicenter 278 km SE of Mito, depth 8 km, 18:37 Local (2011-05-22 09:37 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (278 km SE, Japan) — 34.824, 142.893

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