Acquired June 6, 2010, this natural-color image shows a thick, brown plume from Gaua Volcano in the north, and a faint, blue-gray plume from Ambrym in the south.
In the western Pacific Ocean, a new volcanic island that formed in the shadow of Nishino-shima has merged with it. The island has doubled in size as the eruption continues.
Acquired October 20, 2009, this high-resolution image of Chaitén Volcano shows a volcanic plume that appears almost white near the summit, likely due to high water content.