Mount Iō
Japan · Asia

About
Mount Iō, (硫黄岳, Iō-dake) also known as Mount Iwo, is an active rhyolitic lava dome on Iōjima in Kagoshima Prefecture, Japan. It sits within the borders of the town of Mishima.
The mountain is made up of non-alkali felsic rock and pyroclasitic flows.
Adapted from Wikipedia (CC BY-SA)。Photography via Wikimedia Commons.