We monitored the displacement and seismic activity of an unstable vertical rock slice in a natural limestone cliff of the southeast Vercors massif, southeast France, during the months preceding its collapse. Displacement measurements showed an average acceleration ...

the following important issues, concerning the Athens, Greece earthquake of 07/09/1999, are addressed in this article: (a) the principal direction of ground shaking, (b) the accuracy of pure seismological methods for site characterization, (c) the effect of ...