M 5.1 earthquake: North Pacific Ocean (Japan) — March 31, 2011

M 5.1 earthquake: North Pacific Ocean (Japan) — March 31, 2011. Epicenter 435 km SE of Yokohama, depth 23 km, 17:36 Local (2011-03-31 07:36 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (435 km SE, Japan) — 32.43, 142.624

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