US Geological Survey
U.s. Geological Survey: Hotspots: Mantle Thermal Plumes
Learn more about the hot spot theory developed in 1963 by the Canadian geophysicist J. Tuzo Wilson. Diagrams help you visualize the way hot spots formed geologic structures such as the Hawaiian Islands.
CK-12 Foundation
Ck 12: Earth Science: Volcanoes at Hotspots
[Free Registration/Login may be required to access all resource tools.] Volcanoes can form at hotspots away from plate boundaries. This article discusses hotspot activity and how it leads to volcanism in the oceans.