M 4.9 earthquake: North Pacific Ocean (Japan) — February 23, 2011

M 4.9 earthquake: North Pacific Ocean (Japan) — February 23, 2011. Epicenter 944 km SE of Yokohama, depth 10 km, 16:00 Local (2011-02-23 06:00 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (944 km SE, Japan) — 27.603, 143.467

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