InSAR Observation for the Surface Displacements at Mt. Etna between 2003 and 2007
- 1 BGMEA University of Fashion and Technology, Dhaka, Bangladesh
- 2 BGMEA University of Fashion and Technology, Dhaka, Bangladesh
Abstract
This research is mainly devoted to InSAR observations using Poly-Interferogram Rate and Time-series Estimator (π-rate) software to investigate continuous surface displacement at Mt. Etna (Sicily), Italy between 2003 and 2007. Using ascending and descending SAR images produced by European Space Agency’s ENVISAT, we generate a set of interferograms which are used to determine the deformation history of Etna from 2003 to 2007. Using (π-rate), we can generate the InSAR time-series and ratemap while minimizing errors induced by the satellites orbit and atmospheric phase delays. During the period of 2003-2007, three separate eruptions were observed. In order to explain the deformation, we solve three displacement rate for 2003-2005, 2006 and 2007. As expected, the result suggests that displacement rates are not constant with respect to time. During 2006 the volcano appeared to switch from a period of deflation to a period of inflation. These results highlight the importance of InSAR for generating deformation time-series around Mt. Etna, and with the application of numerical models these results can be used to estimate the amount of magma moving in the subsurface.
- Patanè, D., Aliotta, M., Cannata, A., Cassisi, C., Coltelli, M., Di Grazia, G., Mon-talto, P., Zuccarello, L., et al. (2011) Interplay between Tectonics and Mount Etna’s Volcanism: Insights into the Geometry of the Plumbing System. New Frontiers in Tectonic Research—At the Midst of Plate Convergence, 73-77.
- Jacquelyne Kious, W. and Tilling, R.I. (1996) This Dynamic Earth: The Story of Plate Tectonics. Diane Publishing, USA.
- Neri, M., Casu, F., Acocella, V., Solaro, G., pepe, S., Berardino, P., Sansosti, E., Caltabiano, T., Lundgren, P. and Lanari, R. (2009) Deformation and Eruptions at Mt. Etna (Italy): A Lesson from 15 Years of Observations. Geophysical Research Letters, 36, 1.
- Turner, J.S. and Campbell, I.H. (1986) Convection and Mixing in Magma Chambers. Earth Science Reviews, 23, 255-352. http://dx.doi.org/10.1016/0012-8252(86)90015-2
- Gudmundsson, A. (2006) How Local Stresses Control Magma-Chamber Ruptures, Dyke Injections, and Eruptions in Composite Volcanoes. Earth-Science Reviews, 79, 1-31. http://dx.doi.org/10.1016/j.earscirev.2006.06.006
- Wang, X., Boselli, A., D’Avino, L., Pisani, G., Spinelli, N., Amodeo, A., Chaikovsky, A., Wiegner, M., Nickovic, S., Papayannis, A., et al. (2008) Volcanic Dust Characterization by Earlinet during Etna’s Eruptions in 2001-2002. Atmospheric Environment, 42, 893-905. http://dx.doi.org/10.1016/j.atmosenv.2007.10.020
- Neri, M., Giammanco, S., et al. (2010) Continuous Monitoring of Soil Radon Activity and Soil Temperature near the summit of Mt. Etna (Sicily, Italy) during 2007-2009: Correlations with Stress Field and Volcanic Activity. Cities on Volcanoes 6 Conference.
- Neri, M., Acocella, V., Behncke, B., Giammanco, S., Mazzarini, F. and Rust, D. (2011) Structural Analysis of the Eruptive Fissures at Mount Etna (Italy). Annals of Geophysics, 54, 5.
- Doglioni, C., Innocenti, F. and Mariotti, G. (2001) Why Mt. Etna? Terra Nova, 13, 25-31. http://dx.doi.org/10.1046/j.1365-3121.2001.00301.x
- Behncke, B. and Neri, M. (2003) Cycles and Trends in the Recent Eruptive Behaviour of Mount Etna (Italy). Canadian Journal of Earth Sciences, 40, 1405-1411. http://dx.doi.org/10.1139/e03-052
- Branca, S. and Del Carlo, P. (2004) Eruptions of Mt. Etna during the Past 3200 Years: A Revised Compilation Inte grating the Historical and Stratigraphic Records. Geophysical Monograph-American Geophysical Union, 143, 1-28.