<p>The 2011 rupture of previously undetected blind faults beneath Christchurch, New Zealand, in moment magnitude (Mw) 6.2 and 6.0 earthquakes triggered major rockfalls that caused fatalities and infrastructure damage. Here we use field, geospatial, seismologic, ...

Debris flows are fast mass movements formed by a mix of water and solid materials, which occur in steep torrents, and are a source of high risks for human settlements. Geophones are widely used to detect the ground vibration induced by passing debris flows. ...

This paper addresses the issue of predicting parameters and strong motion characteristics, discussing the definition of peak acceleration parameters and duration and the consequences of the variations, often not specified that exist amongst the definitions ...