Geochemical evidence of seismogenic-induced anomalies in the dissolved gases of thermal waters: A case study of Umbria (Central Apennines, Italy) both during and after the 1997-1998 seismic swarm

Geochemistry, Geophysics, Geosystems

Volumn 5, Issue 11, 2004, Pages

  Italiano, F ^a   Martinelli, G ^b   Rizzo, A ^a  

^a SEZIONE DI PALERMO   (Italy)

^b ARPA Emilia Romagna   (Italy)

Author keywords

Dissolved gases; Geochemistry; Seismic areas

Indexed keywords

EID: 68349153800     PISSN: 15252027     EISSN: 15252027     Source Type: Journal    
DOI: 10.1029/2004GC000720     Document Type: Article

References (20)

1. Amato, A., et al. (1998), The 1997 Umbria-Marche, Italy, earthquake sequence: A first look at the main shocks and aftershocks, Geophys. Res. Lett., 25(15), 2861-2864.
2. Barba, S., and R. Basili (2000), Analysis of seismological and geological observations for moderate-size earthquakes: The Colfiorito Fault System (Central Apennines, Italy), Geophys. J. Int., 141, 241-252.
3. Basili, R., and M. Meghraoui (2001), Coseismic and postseis- mic displacement related with the 1997 earthquake sequence in Umbria-Marche (central Italy), Geophys. Res. Lett., 28(14), 2695-2698.
4. Capasso, G., and S. Inguaggiato (1998), A simple method for the determination of dissolved gases in natural waters: An application to thermal waters from Vulcano Island, Appl. Geochem., 13(5), 631-642.
5. Chiodini, G., F. Frondini, D. M. Kerrik, J. Rogie, F. Parello, L. Peruzzi, and A. R. Zanzari (1999), Quantification of deep CO2 fluxes from central Italy: Examples of carbon balance for regional aquifers and of soil diffuse degassing, Chem. Geol., 159, 205-222.
6. Chiodini, G., F. Frondini, C. Cardellini, F. Parello, and L. Peruzzi (2000), Rate of diffuse carbon dioxide earth degassing estimated from carbon balance of regional aquifers: The case of Central Apennine (Italy), J. Geophys. Res., 105(B4), 8423-8434.
7. De Martini, P. M., and G. Valensise (1999), Pre-seismic slip on the 26 September 1997, Umbria-Marche earthquakefault? Unexpected clues from the analysis of 1951-1992 elevation changes, Geophys. Res. Lett., 26(13), 1953-1956.
8. Favara, R., F. Italiano, and G. Martinelli (2001), Earthquake- induced chemical changes in thermal waters of Umbria region during the 1997 - 1998 seismic swarm, Terra Nova, 13(3), 227-233.
9. Heinicke, J., F. Italiano, V. Lapenna, G. Martinelli, and P. M. Nuccio (2000), Coseismic geochemical variations in some gas emissions of Umbria region (Central Italy), Phys. Chem. Earth, 25, 289-293.
10. Irwin, W. P., and I. Barnes (1980), Tectonic relations of carbon dioxide discharges and earthquakes, J. Geophys. Res., 85(B6), 3115-3121.
11. Italiano, F., G. Martinelli, and P. M. Nuccio (2001), Anomalies of mantle-derived helium during the 1997 - 1998 seismic swarm of Umbria-Marche, Italy, Geophys. Res. Lett., 28(5), 839-842.
12. Lotti, B. (1926), Descrizione geologica dell'Umbria, in Memorie Descrittive della Carta Geologica d'Italia, vol.XXI, 320 pp., Provveditorato Generale dello Stato, Roma.
13. Morelli, A., G. Ekstrom, and M. Oliveri (2000), Source properties of the 1997 - 1998 Central Italy earthquake sequence from inversion of long-period and broad-band seismograms, J. Seismol., 4, 365-375.
14. Stramondo, S., etal. (1999), The September 26,1997 Colfiorito, Italy, earthquakes: Modeled coseismic surface displacements from SAR interferometry and GPS, Geophys. Res. Lett., 26, 883-886.
15. Stute, M., C. Sonntag, J. Deak, and P. Shlosser (1992), Helium in deep circulating groundwater in the Great Hgarian Plain: Flow dynamics and crustal and mantle helium fluxes, Geo- chim. Cosmochim. Acta, 56, 2051-2067.
16. Sugisaki, R., and K. Taki (1987), Simplified analysis of He, Ne and Ar dissolved in natural waters, Chem. J., 21, 21-23.
17. Thomas, D. (1988), Geochemical precursors to seismic activity, Pure Appl. Geophys., 126, 241-265.
18. Torgersen, T., and W. B. Clarke (1985), Helium accumulation in groundwater, I: An evaluation of sources and the continental flux of 4He in the Great Artesian Basin, Australia, Geochim. Cosmochim. Acta, 49, 1211-1218.
19. Toutain, J. P., and J. C. Baubron (1999), Gas geochemistry and seismotectonics: A review, Tectonophysics, 304, 1-24.
20. Valensise, G., and D. Pantosti (Eds.) (2001), Database of Potential Sources for Earthquakes Larger Than M 5.5 in Italy, Ann. Geophys., 44(3), Suppl. 1.