Residents near Mexico's active Popocatepetl volcano worry about the possibility of further eruptions. Authorities have prepared evacuation routes and shelters in the event of a bigger explosion. ... more 
Residents near Mexico's active Popocatepetl volcano worry about the possibility of further eruptions. Authorities have prepared evacuation routes and shelters in the event of a bigger explosion. (April 22) less 
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Tue, May 22, 2012 2:46 PM EDT