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Hot stuff – 15 years of satellite data over Mt. Etna

27 March 2009

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This animation displays the retrieved vertical displacements of Mt. Etna within the investigated 1992-2006 time interval. Data is based on ESA's ERS-1, ERS-2 and Envisat satellites.

Credits: Neri, M., F. Casu, V. Acocella, G. Solaro, S. Pepe, P. Berardino, E. Sansosti, T. Caltabiano, P. Lundgren, and R. Lanari (2009), Deformation and eruptions at Mt. Etna (Italy): A lesson from 15 years of observations, Geophys. Res. Lett., 36, L02309, doi:10.1029/2008GL036151, Published: 28 January 2009.

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Cumulative (a) vertical and (b) east–west deformation maps retrieved by applying the SBAS-InSAR technique to an ERS-Envisat Synthetic Aperture Radar (SAR) dataset relevant to the 1992-2006 time interval, with superimposed main fault systems (black lines) and the anticline structure (A) at the base of Mt. Etna; the results are spatially referenced to the highlighted pixel located in the town of Catania (black box in the lower right corner of Figure (a)).

Credits: Neri, M., F. Casu, V. Acocella, G. Solaro, S. Pepe, P. Berardino, E. Sansosti, T. Caltabiano, P. Lundgren, and R. Lanari (2009), Deformation and eruptions at Mt. Etna (Italy): A lesson from 15 years of observations, Geophys. Res. Lett., 36, L02309, doi:10.1029/2008GL036151, Published: 28 January 2009.

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This Envisat MERIS image acquired on 25 November 2006 captures smoke spewing from Europe’s largest active volcano, Mt. Etna. The 3350 m-high volcano resumed eruptions in early September this year and entered its highly active phase on 5 November, according to the National Institute of Geophysics and Volcanic Studies.

Credits: ESA