American Samoa
Arizona
California
Colorado
Hawaii
Idaho
Illinois
Michigan
Mississippi
Missouri
Nevada
Crater Flat | |
Indian Peak-Caliente Caldera Complex | |
#196 | |
Lunar Crater volcanic field | |
McDermitt Caldera | |
Steamboat Springs | |
Soda Lakes | |
Yucca Mountain |
#205 | |
Capulin Volcano | |
Carrizozo Malpais | |
Cerros del Rio | |
Jemez Mountains | |
Jornada del Muerto Volcano | |
Kilbourne Hole | |
Mount Taylor | |
#213 | |
Sierra Blanca | |
Valles Caldera | |
#216 |
Oregon
Texas
Utah
Bald Knoll | |
Black Rock Desert volcanic field | |
Fumarole Butte | |
Indian Peak-Caliente Caldera Complex | |
Marysvale volcanic field | |
Markagunt Plateau | |
Santa Clara |
Wyoming