Hot Spot 15 : A volcanic center, 100 to 200 km across and persistent for at least a few tens of millions of years, that is thought to be the surface expression of a rising plume of hot mantle material
Natural and Environmental Disaster Information Exchange System NEDIES, European Commission, Directorate General Joint Research Centre (DG JRC), Institute for the Protection and Security of the Citizen (IPSC), Ispra (Varese) Italy, http://nedies.jrc.it/index.asp?ID=82#Top, University of Utah Seismograph Stations UUSS, Glossary of Terms, Utah, USA 2012. http://www.seis.utah.edu/qfacts/glossary.shtml, (ND/ Erthq - Amer) {166}