Category:Volcanic fields of the western United States

• Volcanic fields of the Great Basin section (12 P)
• Yellowstone hotspot (1 C, 19 P)

A

• Volcanic fields of Arizona (10 P)

C

• Volcanic fields of California (1 C, 12 P)
• Volcanic fields of Colorado (2 P)

I

• Volcanic fields of Idaho (5 P)

M

• Volcanic fields of Montana (1 P)

N

• Volcanic fields of Nevada (5 P)
• Volcanic fields of New Mexico (18 P)

O

• Volcanic fields of Oregon (11 P)

U

• Volcanic fields of Utah (8 P)

W

• Volcanic fields of Washington (state) (4 P)
• Volcanic fields of Wyoming (3 P)