Explore This SectionScienceThe Solar SystemIo EruptsSolar System ResourcesCurated Resource PackagesSolar System Home Io EruptsMarch 4, 2014 Io is the most volcanically active body in the solar system. At 2,263 miles in diameter, it is slightly larger than Earth’s moon. Downloads Io Erupts Sep 4, 2023 JPEG (369.49 KB)
