image: The Moderate Resolution Imaging Spectroradiometer (MODIS) on the Aqua satellite captured this image of ash billowing from Alaska's Pavlof volcano on Nov. 14, 2014.
High resolution image: http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=84753&src=nha
Credit: NASA image courtesy Jeff Schmaltz LANCE/EOSDIS MODIS Rapid Response Team, GSFC. Caption by Adam Voiland.