Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/3741
AuthorsCiancabilla, N.* 
Ditta, M.* 
Italiano, F.* 
Martinelli, G.* 
TitleThe Porretta thermal springs (Northern Apennines): seismogenic structures and long-term geochemical monitoring
Issue DateAug-2007
Series/Report no.4/ 50 (2007)
URIhttp://hdl.handle.net/2122/3741
KeywordsFluids
Tectonic lines
monitoring
geochemistry
Subject Classification04. Solid Earth::04.07. Tectonophysics::04.07.99. General or miscellaneous 
AbstractThe thermal springs of Porretta are located on a seismically active area of the Northern Apennines. In 19th Century a chemist identified anomalous behaviour of the thermal waters in concomitance with local seismic events. Recent studies assessed the geochemical features of the circulating fluids (e.g., waters carry a dissolved CH4-dominated gas phase with a radiogenic signature of the helium isotopic ratio) and observed anomalous hydrologic and geochemical signals possibly related to crustal strain phenomena due to local seismic events. Long-term geochemical monitoring was carried out from 2001 to 2006 with the aim of detecting the behaviour of the circulating fluids possibly coinciding with seismic activity. The collected data reveal a sensitivity of the thermal waters to the activity of the main fault crossing the village of Porretta and identify a «seismogenic» structure crossing the village.
Appears in Collections:Annals of Geophysics
Papers Published / Papers in press

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