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Authors: | Colangelo, G.* Heinicke, J.* Koch, U.* Lapenna, V.* Martinelli, G.* Telesca, L.* |
Title: | Results of gas flux records in the seismically active area of Val d'Agri (Southern Italy) | Issue Date: | 2005 | Series/Report no.: | 1/48 (2005) | URI: | http://hdl.handle.net/2122/880 | Keywords: | fluids earthquakes methane gas emissions flux anomalies |
Abstract: | The Val d Agri area is well-known for oil exploration. An old 500 m deep exploration well in the northern part of this area has been used for long-term hydrogeochemical investigations. The well is characterized by a discharge of about 500 L/min of thermal water (27.8°C) and a simultaneous methane gas emission of about 200 L/min. Gas analyses gave evidence that the methane come from a multiple deep reservoir. Continuous records of gas emission showed some anomalous variations occurred during the past three years. The gas flux anomalies were in a distinctive coincidence with self-potential anomalies of one station close to the hydrogeochemical station. The present paper describes the interpretation of these anomalies in relation to the geodynamic activity in the area. |
Appears in Collections: | Annals of Geophysics |
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