After a six-year effort, researchers have released the first geologic map of the solar system’s most volcanically active object, Jupiter’s moon Io. Firstev Geology, Colors Maps, Volcanic Moon, Maps Details, Jupiter Moon, Moon Ios, Details Volcanostud, Geology Maps, Jupiter Volcanic
Jupiter and Io. "The image shows a major eruption in progress on Io's night side, at the northern volcano Tvashtar. Incandescent lava glows red beneath a high volcanic plume, whose uppermost portions are illuminated by sunlight. The plume appears blue due to scattering of light by small particles in the plume."