Mount Etna Deformation

  • Released Thursday, October 17, 2013
  • Updated Tuesday, May 19, 2015 at 12:45PM
  • ID: 30188
This animation depicts a time-series of ground deformation at Mount Etna Volcano between 1992 and 2001. The deformation results from changes in the volume of a shallow chamber centered approximately 5 km (3 miles) below sea level. The accumulation of magma in this chamber results in the inflation, or expansion, of the volcano, while the release of magma from the chamber results in deflation or contraction.

Radar data shows Mt Etna deforming.

For More Information

See http://photojournal.jpl.nasa.gov/catalog/PIA13201

Credits

Please give credit for this item to:
ESA/NASA/JPL-Caltech

Papers

This visualization is based on the following papers:
  • Lundgren, P., and others (2004), Gravity and magma induced spreading of Mount Etna volcano revealed by satellite radar interferometry, Geophys. Res. Lett., 31, L04602, doi:10.1029/2003GL018736.

Datasets used in this visualization

ERS-1 and ERS-2 Differential Interferometry (Collected with the SAR sensor)
European Space Agency
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