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Two consecutive tephra-fall samples collected during the Vulcanian explosion of 28 September 1997 at Soufriere Hills Volcano (Montserrat)

Two consecutive tephra-fall samples collected during one of the

September 1997 Vulcanian explosions at Soufriere Hills Volcano (Montserrat)

 

Scanning Electron Microscope image of a sample of ash produced during one of October-December 2002 eruption of Etna (Italy)

 

Scanning Electron Microscope image of ash produced during

one of the December 2002 explosions of Etna (Italy) (INGV Catania).

Scale on image is 1 mm

                                                                                              e-mail your questions or comments to Costanza Bonadonna or Simona Scollo                                                                                                                                                                                                                                                                                                                                                                   last modified: 15 July 2013