Asama Volcano on the Japanese island of Honshu showed signs of unrest, including ash plumes and increased seismic activity, starting in late January 2009.
Acquired February 11, 2010, this true-color image shows water discoloration immediately west of the underwater summit of Fukutoku-Okanoba. Clouds overhead might result from vapor emissions, but might be unrelated to volcanic activity.
This true-color image shows clouds, possibly from volcanic vapor, hovering over the summit of Manam Volcano while a plume blows toward the west-northwest on June 28, 2009.