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and geochemical signals concomitantly recorded in Basilicata Region, one of the most seismically
active areas in Southern Italy. The signals were recorded by two stations: Tito and Tramutola. Tito station measures
vertically the Self-Potential field (SP) by an array of five no-polarizable electrodes equally spaced with the common
electrode at 20 m depth as well as water-level, water-temperature and electrical-conductivity. Tramutola station
measures self-potential signals in soil surface, gas flow and water temperature in a thermal-water well, as well
as atmospheric barometric pressure and ambient temperature. Correlations were found between the sharp variability
of the signals recorded by both stations and the seismic sequence that occurred on September 3 to 4, 2004, allowing
us to link these anomalies with the tectonic evolution of the investigated area.
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