Volcano eruption in Iceland in May 2011, why?

Volcano Grimsvoetn erupted in Iceland in May 2011. Why so many quakes and volcanoes in 2009-2011? Is a black hole inside earth causing them?
See this web page on the possibility of a black hole eating earth on December 21 2012: http://revelation13.net/KingJames6c.html And this is my web site: http://revelation13.net Copyright 2011 by T. Chase. From the Revelation13.net web site, also see Revelation13.net (Revelation 13: Prophecies of the Future, Astrology, Nostradamus, Bible Prophecy, the King James version English Bible Code).