Seismic monitoring of precursory fracture signals from a destructive rockfall in the Vorarlberg Alps, Austria
In this study we describe the seismic analysis of precursory patterns of a rockfall in the "Rappenlochschlucht", a gorge located in the Vorarlberg Alps, Austria.The rockfall with an estimated volume of 15 000 m<sup>3</sup> occurred on 10 May 2011 (10:48:43 UTC) and destroyed a massive bridge construction.Fortunately, the rockfall did no