Big Pic: An Overactive Russian Volcano Covers Kamchatka In Ash
Klyuchevskaya NASA Earth Observatory images by Robert Simmon, using Landsat data from the USGS Earth Explorer. Russia's Klyuchevskaya volcano, one of the most active in the world, has been erupting since mid-August. Last month, it became even more intense, spewing ash from its summit (16,000 feet above sea level) in a plume that reached 32,000 feet above the Earth, along with fountains of lava. NASA's Landsat 8 satellite grabbed a shot of Klyuchevskaya, located on Russia's volcano-dense Kamchatka peninsula, in late October after its most explosive activity had calmed down. This false-color image shows snow and ice as blue-green, ash, clouds and steam as gray, and lava as red. Here's a wider image in natural color: Natural Klyuchevskaya NASA Earth Observatory images by Robert Simmon, using Landsat data from the...