English Cascade Volcanic Arc Calderas Cited by user SpacemanSpiff66 on 29 Dec 2022 The Cascade Volcanic Arc is a chain of volcanoes stretching from southern British Columbia down to northern California.
English Kulshan Caldera Cited by user SpacemanSpiff66 on 13 Dec 2022 The Kulshan Caldera is a Pleistocene volcano in the North Cascades of Washington and one of the few calderas identified in the entire Cascade Range.
English Hannegan caldera Cited by user Chris Capoccia on 12 Dec 2022 Hannegan caldera is a 3.72 million year old volcanic collapse structure in the North Cascades of the U.S.