Scientific files   Contents     22-04-2015 : Eruption of the Chilean volcano Calbuco monitored by infrasound stations The Calbuco volcano in southern Chile, dormant since 1972, entered into eruption ejecting a thick plume of ash to an altitude of almost 20 km.     01-09-2012 : Eruption of Bezymianny volcano (Russia) on 01/09/2012 Bezymianny volcano erupted on 1 September 2012 at 19h16 UT, leading to large pyroclastic flows.     26/04/2010 : Monitoring eruption of the Icelandic volcano Eyjafjöll by infrasound measuring stations The Icelandic volcano Eyjafjöll located under the Eyjafjaöllajkul glacier showed initial signs of activity at the beginning of March 2010. Several infrasound stations located thousands of kilometres away allow to monitore the evolution of its activity     11/01/2002 : First images of the DASE experiment aboard the International Space Station The LSO experiment was set up by the permanent Russian crew of the International Space Station (ISS) before Claudie Haigneré's flight. The French astronaut brought back to earth the hard disk drive containing the images. At the end of November research on sprites finally started...     12/09/2001 : A CEA experiment aboard the International Space Station The aim of the LSO (Lightning and Sprite Observations) experiment is to observe certain light emissions generated by lightning from the International Space Station (ISS). The CEA designed and developed the experimental device required for this experiment...     All files