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  Analysis of 20-year terrestrial gravity and ground deformation changes collected at Mt. Etna: Comparison with satellite data

Pereira, A., Samperi, L., Greco, F., Palano, M., Carbone, D., Contrafatto, D., Messina, A. A., Mirabella, L. T., Pereira, A. (2023): Analysis of 20-year terrestrial gravity and ground deformation changes collected at Mt. Etna: Comparison with satellite data, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-4301

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021736 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021736_1
Genre: Conference Paper

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 Creators:
Pereira, Ailin1, Author
Samperi, Luca1, Author
Greco, Filippo1, Author
Palano, Mimmo1, Author
Carbone, Daniele1, Author
Contrafatto, Danilo1, Author
Messina, Alfio Alex1, Author
Mirabella, Luca Timoteo1, Author
Pereira, Ayelén1, Author
Affiliations:
1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

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 Abstract: We present a preliminary comparison between satellite and terrestrial gravity and GNSS data collected in a twenty-year period (2002-2022) at Mt. Etna volcano, with the aim of investigating the capabilities of this integrated approach to study the dynamics of volcanic phenomena over time-scales of months to years. The terrestrial gravity data were collected through absolute and relative spring gravimeters in the framework of almost monthly campaigns. Instead, GNSS measurements are continuously collected for monitoring purposes. Regarding satellite data, we used the Gravity Recovery and Climate Experiment (GRACE) data and GRACE Follow-On L3 solutions, that can provide high-quality information about mass distribution at regional and global scales in a long-term interval. After being corrected for the known effects, reduced terrestrial gravity and GNSS height variations were compared with satellite data. The comparison reveals long-term correlations between the analyzed time series which could represent volcano-scale variations.

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Language(s): eng - English
 Dates: 2023-07-112023-07-11
 Publication Status: Finally published
 Pages: -
 Publishing info: -
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 Rev. Type: -
 Identifiers: DOI: 10.57757/IUGG23-4301
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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Place of Event: Berlin
Start-/End Date: 2023-07-11 - 2023-07-20

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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Source Genre: Proceedings
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Publ. Info: Potsdam : GFZ German Research Centre for Geosciences
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