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

<table>Bar chart of the number of anomalies for different threshold values of daily Kp index (&gt;30, ≤30, ≤20, and ≤15) recorded per year for each of the 73 volcanoes which have entered into eruption between August 2004 and December 2010.</table>

International Journal of Geophysics

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Figure 5

Figure 5: Ionospheric Disturbances Recorded by DEMETER Satellite over Active Volcanoes: From August 2004 to December 2010 