Myoko is a steep-sided stratovolcano in west-central Honshu that overlooks the popular resort of Lake Nojiri. This springtime view from Madarao, SE of Myoko, shows a 3-km-wide caldera breached to the east that is partially filled by a flat-topped lava dome forming the volcano's high point. Several episodes of edifice collapse at Myoko have produced major debris avalanches that traveled to the east and NE. The latest dated eruptions of Myoko occurred during the mid Holocene. No historical eruptions are known, but constant solfataric activity occurs. Photo by Yukio Hayakawa, 1998 (Gunma University).