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Envisat scopre la rinnovata attività vulcanica dei Campi Flegrei

24 Agosto 2006

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This image over the Gulf of Naples was acquired by Envisat's Medium Resolution Imaging Spectrometer (MERIS) instrument on 31 July 2006.

Credits: ESA

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Solfatara crater in the Phlegrean Fields

The Solfatara crater is the most famous feature of the Phlegrean Fields, first referred to back in the 1st Century BC. Its name comes from the Latin for 'land of sulphur'- Sulphur Terra. It is a subdued but still active shallow volcanic crater. Its many fumaroles and mud pools have made it a popular tourist attraction.

Credits: Vesuvius Observatory (INGV-OV)

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Deformation map for the Phlegrean Fields area

Deformation map for the Phlegrean Fields (Campi Flegrei) area obtained by using Envisat radar data. Ascending images (24) from February 2003 to April 2006 were employed to estimate the ground deformation map and time series. The deformation velocity was computed on the last 12 acquisitions, starting from January 2005 and shows an area of maximum deformation (exceeding 2 cm/year) localised in the centre of the Pozzuoli town, mainly in the harbour and surrounding zones (box A). The deformation also extends westward to the area surrounding Monte Nuovo (box B). The colours span from green (stable points) to red (maximum deformation upwards).

Credits: ESA, Institute for the Electromagnetic Sensing of the Environment (IREA)

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Plot of the vertical deformation time series in the Phlegrean Fields area, obtained by using levelling data from 1999 to 2006.

Credits: Vesuvius Observatory (INGV-OV)