In contrast to the explosive eruptions of the previous week, ash emissions from Mount Redoubt became more frequent but confined to lower altitudes on March 30, 2009. The commercial satellite GeoEye-1 captured a high-resolution view of the volcano the same day.
Published Apr 1, 2009
A powerful volcanic eruption in South America sent volcanic ash around the world to stop air traffic in New Zealand and Australia. The ash plume is distinct in these images of the two countries.
Published Jun 13, 2011
Mount Redoubt sent a column of ash some 19 kilometers skyward. On March 23, 2009, ash was visible on the snowy land surface north of the volcano.
Published Mar 24, 2009
Ash from Grímsvötn spread over the North Sea on May 24, 2011, canceling several hundred flights in Scotland and Scandinavia.
Published May 24, 2011
Days after a large-scale eruption from Chile's Chaiten Volcano on February 19, 2009, volcanic ash lingered on the Patagonian landscape.
Published Feb 25, 2009
Volcanic ash from earlier eruptions has settled onto the snowy landscape, leaving dark gray swaths. The ash stains are confined to the south of the Karymsky’s summit, one large stain fanning out toward the southwest, and another toward the east.
Published Jun 17, 2007
This series of images tracks ash from a Chilean volcano that made a nearly complete circle around the world.
Published Jun 18, 2011
A satellite records a vertical profile of the atmosphere and reveals the altitude of ash clouds.
Published May 25, 2010
