Seismometers around the crack listen (IMAGE) GFZ Helmholtz-Zentrum für Geoforschung Caption Around the 5-metre-wide and 30-metre-long crack, the researchers led by Michael Dietze of the GFZ have installed a network of six seismometers, which they use to eavesdrop on the Alpine peak as it breaks. Credit TU Munich Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.