Today's Image of the Day from NASA Earth Observatory features Ksudach, a remarkable volcanic complex located on Russia's Kamchatka Peninsula. “The peninsula is one of the world’s most active volcanic arcs due to tectonic plate movement, with the Pacific Plate subducting under the Eurasian Plate,” noted NASA. Explosive eruptions of Ksudach Ksudach is classified as a shield volcano due to the gentle slopes formed by its extensive lava flows. The combination of its shield-like structure and the prominent caldera system makes Ksudach a...