Ksudach Caldera System, Kamchatka Posted by agimarc on 2022-06-01 Posted in: Asia, Volcanoes. Tagged: Andesite, Caldera, caldera lake, Dome, Kamchatka, Ksudach, Shtyubel, tuff ring. Leave a comment Ksudach volcano with two crater lakes. Breached Shtyubel volcano is in the northern portion of the main caldera. Note denuded flanks via the 1907 eruption. Volcanic structure at the One O’clock position is unnamed. Screen capture from Google Maps. Continue ReadingAdvertisement