M 4.5 earthquake: North Pacific Ocean (Japan) — September 6, 2011

M 4.5 earthquake: North Pacific Ocean (Japan) — September 6, 2011. Epicenter 271 km SE of Mito, depth 10 km, 10:19 Local (2011-09-06 01:19 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (271 km SE, Japan) — 34.763, 142.736

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