numerous small cumulous clouds can be seen approaching the peak of Popocatépetl from the lower left of the image. At the peak smoke, grayer in color compared to the white clouds, streams conically to the top right of the image.

Popocatépetl Continues to Grumble

Ash billowed from the stratovolcano, which has been active since 2005.

Credits: NASA Earth Observatory/ Michala Garrison