Magma degassing as a trigger of bradyseismic events: The case of Phlegrean Fields (Italy)

Geophysical Research Letters

Volumn 30, Issue 8, 2003, Pages

  Chiodini, Giovanni ^a   Todesco, Micol ^b   Caliro, Stefano ^a   Del Gaudio, Carlo ^a   Macedonio, Giovanni ^a   Russo, Massimo ^a  

^a OSSERVATORIO VESUVIANO   (Italy)

^b UNIVERSITY OF BOLOGNA   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

COMPOSITION EFFECTS; COMPUTER SIMULATION; DATA ACQUISITION; DEGASSING; PORE PRESSURE; VOLCANOES; EARTH SCIENCES; GEOPHYSICS;

HYDROTHERMAL SYSTEMS; CHEMICAL VARIATIONS; FLUID INJECTIONS; GROUND DEFORMATIONS; GROUND DISPLACEMENT; HYDROTHERMAL CIRCULATION; HYDROTHERMAL SYSTEM; POTENTIAL EFFECTS; PRESSURE AND TEMPERATURE;

GEOPHYSICS; DEGASSING;

CALDERA; DEGASSING; HYDROTHERMAL CIRCULATION; SEISMICITY; TRIGGER MECHANISM; VOLCANIC EARTHQUAKE;

CAMPANIA; CAMPI FLEGREI; ITALY;

EID: 0041883665     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2002GL016790     Document Type: Article

References (21)

1. Allard, P., A. Maiorani, D. Tedesco, G. Cortecci, and B. Turi, Isotopic study of the origin of sulfur and carbon in Solfatara fumaroles, Campi Flegrei caldera, J. Volcanol. Geotherm. Res., 48, 139-159, 1991.
2. Barberi, F., G. Corrado, F. Innocenti, and G. Luongo, Phlegrean Fields 1982-1984: Brief chronicle of a volcano emergency in a densely populated area, Bull. Volcanol., 47, 175-185, 1984.
3. Bianchi, R., A. Corradini, C. Federico, G. Giberti, P. Lanciano, J. P. Pozzi, G. Sartoris, and R. Scandone, Modelling of surface ground deformation in volcanic areas: The 1970-1972 and 1982-1984 crises of Campi Flegrei, Italy, J. Geophys. Res., 92(B13), 14,139-14,150, 1987.
4. Bonafede, M., Hot fluid migration, an efficient source of ground deformation, application to the 1982-1985 crisis at Campi Flegrei-Italy, J. Volcanol. Geotherm. Res., 48, 187-198, 1991.
5. Bonafede, M., M. Dragoni, and F. Quareni, Displacement and stress field produced by a centre of dilatation and by a pressure source in a viscoelastic half-space: Application to the study of ground deformation and seismic activity at Campi Flegrei, Italy, Geophys. J. R. Astr. Soc., 87, 455-485, 1986.
6. Caputo, M., Two thousands years of geodetic and geophysical observations in the Phlegrean Fields near Naples, Geophys. J. R. Astron. Soc., 56, 319-328, 1979.
7. Casertano, L., A. Olivieri del Castello, and M. T. Quagliariello, Hydrodynamics and geodynamics in the Phlegrean Fields area of Italy, Nature, 264, 161-164, 1976.
8. 4 system, Geochim. and Cosmochim., Acta, 62(15), 2673-2687, 1998.
9. 2 degassing and energy release at Solfatara volcano, Campi Flegrei, Italy, J. Geophys. Res., 106, 16,213-16,221, 2001.
10. Cioni, R., E. Corazza, and L. Marini, The gas/stream ratio as indicator of heat transfer at the Solfatara fumaroles, Phlegrean Fields (Italy), Bull. Volcanol., 47, 295-302, 1984.
11. De Natale, G., F. Pingue, P. Allard, and A. Zollo, Geophysical and geochemical modeling of the 1982-1984 unrest phenomena at Campi Flegrei caldera (southern Italy), J. Volcanol. Geotherm. Res., 48, 199-222, 1991.
12. Dvorak, J. J., and P. Gasparini, History of earthquakes and vertical ground movements in Campi Flegrei caldera, Southern Italy: A comparison of precursor events to the A.D. eruption of Monte Nuovo and of activity since 1968, J. Volcanol. Geotherm. Res., 48, 77-92, 1991.
13. Dvorak, J. J., and G. Mastrolorenzo, The mechanism of recent vertical crustal movements in Campi Flegrei caldera, Southern Italy, Geol. Soc. Am., Special Paper, p. 263, 1991.
14. Dzurisin, D., and K. M. Yamashita, Vertical surface displacement at Yellowstone caldera, Wyoming, 1976-1986, J. Geophys. Res., 92(B13), 13,753-13,766, 1987.
15. Gaeta, F. S., G. De Natale, F. Peluso, G. Mastrolorenzo, D. Castagnolo, C. Troise, F. Pingue, D. Mita, and G. Rossano, Genesis and evolution of unrest episodes at Campi Flegrei caldera: The role of thermal-fluid-dynamical processes in the geothermal system, J. Geophys. Res., 103(B9), 20,921-20,933, 1998.
16. Mogi, K., Relations between the eruptions of various volcanoes and the deformations of the ground surfaces around them, Bull. Earth Res., 36, 1958.
17. Newhall, C. G., and D. Dzurisin, Historical unrest at large calderas of the world, USGS Bull., 1855, 1108, 1988.
18. Panichi, C., and G. Volpi, Hydrogen, oxygen and carbon isotope ratios of Solfatara fumaroles (Phlegraean Fields, Italy): Further insight into source processes, J. Volcanol. Geotherm. Res., 91, 321-328, 1999.
19. Pruess, K., TOUGH2 - A general purpose numerical simulator for multiphase fluid and heat flow, LBL Report 29400, Lawrence Berkeley Lab., 1991.
20. 2) and isotopic (He, Ne, Ar, C) variations at the Solfatara crater (Southern Italy): Mixing of different sources in relation to seismic activity, Earth and Planet. Sci., 171, 465-480, 1999.
21. Todesco, M., G. Chiodini, and G. Macedonio, Monitoring and modeling hydrothermal fluid emission at La Solfatara (Phlegrean Fields, Italy). An interdisciplinary approach to the study of diffuse degassing. J. Volcanol. Geotherm. Res., in press, 2003.