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EnglishFrom 2006 to spring 2013, Campi Flegrei (CF) caldera, Italy, was mostly uplifting at an increasing rate, particularly high from 2011. We show that the 2011-2013 accelerated uplift and 1980-2010 inflation and deflation phases can be explained by a two-source conceptual model similar to that proposed by Amoruso et al. (2014) (reference model). However, pressurization of the sole thin quasi-horizontal similar to 4000 m deep source, responsible for large-scale 1980-2010 deformation, can explain the whole 2011-2013 deformation, while activity of the shallower Solfatara hydrothermal source, responsible for residual 1980-2010 deformation, appears constant. These results suggest a predominantly magmatic unrest in 2011-2013. Near-real-time comparison of observations and reference model predictions can provide additional information for short-term eruption forecasting at CF; a similar approach could be followed also in other volcanic environments.
| Titolo: | Clues to the cause of the 2011-2013 Campi Flegrei caldera unrest, Italy, from continuous GPS data |
| Autori: | |
| Data di pubblicazione: | 2014 |
| Rivista: | |
| Abstract: | From 2006 to spring 2013, Campi Flegrei (CF) caldera, Italy, was mostly uplifting at an increasing rate, particularly high from 2011. We show that the 2011-2013 accelerated uplift and 1980-2010 inflation and deflation phases can be explained by a two-source conceptual model similar to that proposed by Amoruso et al. (2014) (reference model). However, pressurization of the sole thin quasi-horizontal similar to 4000 m deep source, responsible for large-scale 1980-2010 deformation, can explain the whole 2011-2013 deformation, while activity of the shallower Solfatara hydrothermal source, responsible for residual 1980-2010 deformation, appears constant. These results suggest a predominantly magmatic unrest in 2011-2013. Near-real-time comparison of observations and reference model predictions can provide additional information for short-term eruption forecasting at CF; a similar approach could be followed also in other volcanic environments. |
| Handle: | http://hdl.handle.net/11386/4432457 |
| Appare nelle tipologie: | 1.1.2 Articolo su rivista con ISSN |
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