M 5.5 earthquake: North Pacific Ocean (Japan) — April 18, 2012

M 5.5 earthquake: North Pacific Ocean (Japan) — April 18, 2012. Epicenter 678 km S of Hamamatsu, depth 494 km, 14:37 Local (2012-04-18 05:37 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (678 km S, Japan) — 28.689, 138.772

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