Worst Earthquakes in history Shensi China Jan 23 1556 Tangshan China
July 27 1976 Aleppo Syrnia Aug 9 1138 sumatra indonesia Dec 26 2004
Hati Jan 12 2010 Damghan Iran dec 22 1856 Hayiun Ningita China Dec 16
1920 Ardabi Iran March 2000
some facts They can also cause huge waves called tsunimas Earth quakes form
by the tectonic plates