Page 244 - Volcano and Geothermal Tourism
P. 244

15




                     Volcano Tourism and


                     its Influence on the



                     Territory of Mt Etna (Italy) –



                     Explored with Digressions


                     to Stromboli (Italy)











                     Ariane Struck                              we  know  it  today  has  grown  during  the  past
                                                                15,000  years,  following  a  series  of  explosive
                     Summary of important                       eruptions that blew off the previous deposits and
                     geographic and volcanic                    led  to  the  collapse  of  a  vast  summit  caldera
                                                                (Behnke  and  Struck,  2005).  During  the  past
                     characteristics                            15,000  years  the  volcanic  character  has  been
                     Mt Etna is the highest active volcano in Europe.   mildly  explosive  with  voluminous  lava  ejections
                     Due  to  its  natural  characteristics  and  frequent   from the summit craters and flanks, discontinuously
                     volcanic  activity,  it  is  one  of  the  most  famous   interrupted by more strongly explosive but short-
                     volcanoes  in  the  world. With  a  surface  area  of   lived eruptive episodes at the summit (Behnke and
                     about  1200km   and  a  present  summit  height  of   Struck, 2005; Coltelli et al, 2004). Volcanic products
                                2
                     aproximately  3310m  Mt  Etna  is  located  in  the   formed in explosive eruptions like ash, scoria and
                     eastern  part  of the  island of  Sicily (Italy), 25km   volcanic  bombs  appear  in  a  comparatively  small
                     north of the city of Catania. Placed at the southern   quantity. Only a few volcanoes of the world share
                     edge of the Eurasian Plate, close to the collision   this quality and have a low explosive index at the
                     zone  with  the  African  Plate,  in  a  complex   same  time.  This  combination  of  qualities  has
                     geodynamic  setting,  Etna  is  composed  of   supported the development of volcano tourism at
                     overlapping  products  of  different  phases.  Its   Mt  Etna  and  underpins  its  importance  to  the
                     historical volcanic origin began about 0.5 million   study of volcanism.
                     years ago with small volume volcanism. About 0.2   The  island  of  Stromboli  is  part  of  the
                     million  years  ago  the  volcanism  became  more   municipality of Lipari in the province of Messina.
                                                                                       2
                     energetic resulting in the development of a series   It  has  an  area  of  12.6km   with  about  450
                     of  overlapping  central  volcanoes  (Behnke  and   permanent  inhabitants  and  belongs  with  its
                     Struck, 2005; Branca et al, 2004). The volcano as   neighbouring islands to the Aeolian Islands in the







       Ch15.indd   221                                                                             3/28/2010   1:30:36 PM
   239   240   241   242   243   244   245   246   247   248   249