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Authors: Chiodini, G.*
Cardellini, C.*
Amato, A.*
Boschi, E.*
Caliro, S.*
Frondini, F.*
Ventura, G.*
Title: Carbon dioxide Earth degassing and seismogenesis in central and southern Italy
Title of journal: Geophysical Research Letters
Series/Report no.: 31, L07615
Publisher: American Geophysical Union
Issue Date: 2004
DOI: 10.1029/2004GL019480
Keywords: Carbon dioxide
Central Italy
Southern Italy
Abstract: We present the first regional map of CO2 Earth degassing from a large area (most of central and south Italy) derived from the carbon of deep provenance dissolved in the main springs of the region. The investigation shows that a globally significant amount of deeply derived CO2 (10% of the estimated global CO2 emitted from subaerial volcanoes) is released by two large areas located in western Italy. The anomalous flux of CO2 suddenly disappears in the Apennine in correspondence to a narrow band where most of seismicity concentrates. Here, at depth, the gas accumulates in crustal traps generating CO2 overpressurized reservoirs which induce seismicity.
Appears in Collections:Manuscripts
03.04.02. Carbon cycling
01.01.07. Volcanic effects
04.04.12. Fluid Geochemistry
04.07.02. Geodynamics
Papers Published / Papers in press
Papers Published / Papers in press

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