A few options: Most of central Canada, all of Greenland except a strip along the Western Coast, Florida, all of Brazil except their western border and a small area on the northeast coast, the Sahara desert, most of Russia, Western Siberia, and Most of Kazakhstan, central Saudi Arabia, and a good part of Southeastern China, all seem to be free of seismic risk.
http://www.seismo.ethz.ch/GSHAP/global/gshapfin.gif
Thanks.