ERN Item Type:
- Virtual Field Trips
This geonarrative highlights six volcanoes in the western United States: Yellowstone, Three Sisters, Crater Lake, Medicine Lake, Lassen Peak, and Mammoth Mountain. Each volcano has been studied extensively, and the resulting geologic maps are the products of years of field mapping and laboratory analyses. The results of these studies are more than just maps -- each is a synthesis showing a volcanic field's eruptive history and the volcano's behavior over its lifetime. These studies form the foundation for furute assessments of volcanic or other geologic activity.