Santorini DAS deployed on the THETIS submarine system (SantoriniDAS)

A DAS interrogator has been deployed to sense a dark fibre between Santorini (Greece) and Kos (Greece) through the Aegean Sea. The interrogated sector of the fibre extends from Santorini island (land station where an ASN OptoDAS interrogator is installed) to the seabed over a distance of about 140 km to Kos island.. The fibre used is provided by Vodafone, which operates the THETIS submarine system, covering a total distance of approximately 660 km domestic telecommunications network in Greece. The actual data set includes decimated data at 100 Hz and 1 km spatial sampling streamed in real-time to the NOA data centre using a dedicated SeisComP plugin. The dataset is used to test the extension of real-time monitoring capabilities for earthquakes and volcanic processes (for the Santorini-Kolumbo volcanic system) and other natural hazards in the region, as well as to test oceanographic applications. The locations of the virtual receivers are only indicative.