9 July 2011 Updated at 23:25 ET
Earthquake off Japan triggers tsunami alert
The new quake could pose a fresh threat to the Fukushima nuclear plant
Japan quakeJapan minister quits after a week
Life on edge of exclusion zone
Moment tsunami hit Fukushima
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A strong earthquake has jolted north-east Japan, the same area that was devastated four months ago.
link-
http://www.bbc.co.uk/news/world-14096707