Volcano Tungurahua throws ash and stones during an eruption, just before midnight Friday May 28, 2010, in Cotalo, Ecuador. (AP Photo/Dolores Ochoa)
The Tungurahua volcano erupts in Cotalo, in Ecuador’s Andes region, early Wednesday, Jan. 13, 2010. The Tungurahua has been active since 1999. (AP Photo/Dolores Ochoa)
