Early data from the MISR instrument helps decipher the dynamics of the gas and ash emerging from a volcano.
Image of the Day Atmosphere Volcanoes
NASA satellite measurements show the height of the Eyjafjallajökull ash plume on May 7, 2010.
Atmosphere Volcanoes
Volcanoes
Mount Agung continues to erupt, ejecting a volcanic plume of gas and ash over the Indonesian island of Bali.
Atmosphere Land Volcanoes