Category:Volcanism of the United States Volcanism — of the United States. Subcategories This category has the following 5 subcategories, out of 5 total. Volcanism of the United States by state (26 C)G Geothermal areas in the United States (4 C, 26 P)V Volcanic eruptions in the United States (22 P) Volcanic fields of the United States (13 C, 2 P) Volcanoes of the United States (14 C, 13 P)
