Multidisciplinary Oceanic Information SysTem (MOIST) INGV Integrated Systems for Marine Environmental Infrastructures (SIIAM) paolo.favali@ingv.it 1 0 999999 GNDT 2 - Seismometer 2005-01-25T00:00:00+00:00 2008-04-30T00:00:00+00:00 15.397500,37.547650,-2036.6 <p><b>Web page:</b> <a href='http://www.moist.it/sites/western_ionian_sea/2/GNDT2/seismometer/7'>MOIST dataset metadata</a> <p><b>Area:</b> East Sicily</p> <p><b>Instrument:</b> Guralp CMG-1T 3 component broadband seismometer (360 s-50 Hz)</p> <p><b>Period:</b> January 25, 2005 - April 30, 2008</p> <p><b>Abstract:</b> This digital database comprises seismological data recorded during the GNDT 2 project by a 3 component broadband seismometer, together with a hydrophone. The sensor was installed on the GEOSTAR deep-sea multidisciplinary observatory, offshore of the Eastern coast of Sicily (Southern Italy) at a depth of 2065 m. The seismometer is installed in a dedicated vessel integrated in a separate structure connected to the observatory via a special mechanical release. To guarantee a good coupling with the sea bottom, the structure is disconnected just after the observatory touch-down and kept linked to the frame by a slack rope (Favali et al., 2006). The sensor was connected to a 24 bit digitizer, and its time reference came from an external rubidium clock connected to the digitizer.</p> <p><b>Purpose:</b> This project is a continuation of GNDT 1 where the main objective was to establish a multiparameter seafloor observatory off-shore eastern Sicily. Long-term broad-band seismic measurements from this site is of great interest given its proximity to the Etna volcano (~ 50 km) and to offshore seismogenic structures where some of the most destructive earthquakes, some of which accompanied by tsunamis, have occurred in Italy.</p> <p><b>Quality of data:</b> </p>