Page 43 - Fundamentals of Physical Volcanology
P. 43

9780632054435_4_002.qxd  12/10/2007  12:18PM  Page 20














                                                                Reunion










                                                          Ascension  St Helena  Bouvet



                                        Azores                       Tristan da Cunha












                                      Yellowstone                                                The distribution on Earth of subaerial volcanoes and of hot spots (sites of high heat flow from the mantle). The boundaries of the tectonic plates are also shown. Note the concentration of subaerial volcanoes at plate margins where subduction of oceanic plates beneath continental plates is taking place. (Diagram drafted using data from fig. 1 in Duncan, R.A. and Richards, M.








                                                                                      Divergent plate boundary  Other plate boundary  (Eds), Academic Press, pp. 89–113, copyright Elsevier (2002).)
                                                Hawai'i















                                                                                      Volcano  Hot spot


                                                                                                 Fig. 2.3
   38   39   40   41   42   43   44   45   46   47   48