What feature is the Yellowstone hotspot related to?

This is the deep mantle hotspot that is located approximately under Yellowstone National Park and is responsible for producing all the geothermal phenomena in and around the park.

There are a few dozen deep mantle hotspots scattered around the world, including Iceland, Hawaii, Samoa, Easter Island, East Australia, Bermuda, Marion, Reunion, Cape Verde, Canary Islands, Afar, Mount Etna, Azores.