Volcanic history of the Northern Cordilleran Volcanic Province
The volcanic history of the Northern Cordilleran Volcanic Province presents a record of volcanic activity in northwestern British Columbia, central Yukon and the U.S. state of easternmost Alaska. The volcanic activity lies in the northern part of the Western Cordillera of the Pacific Northwest region of North America.
Source: Wikipedia — Volcanic history of the Northern Cordilleran Volcanic Province (CC BY-SA 4.0)