Ionospheric Disturbances Recorded by DEMETER Satellite over Active Volcanoes: From August 2004 to December 2010

<table>Maximum, average, and minimum numbers of anomalies versus the Volcanic Explosivity Index (VEI, <a href="http://vulcan.wr.usgs.gov/News/MSH2004/VEI_information.pdf">http://vulcan.wr.usgs.gov/News/MSH2004/VEI_information.pdf</a>).</table>

International Journal of Geophysics

fig11

Figure 11

Figure 11: Ionospheric Disturbances Recorded by DEMETER Satellite over Active Volcanoes: From August 2004 to December 2010 