Articles | Volume 17, issue 6
https://doi.org/10.5194/nhess-17-939-2017
https://doi.org/10.5194/nhess-17-939-2017
Research article
 | 
22 Jun 2017
Research article |  | 22 Jun 2017

Testing seismic amplitude source location for fast debris-flow detection at Illgraben, Switzerland

Fabian Walter, Arnaud Burtin, Brian W. McArdell, Niels Hovius, Bianca Weder, and Jens M. Turowski

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Latest update: 29 Jun 2024
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Short summary
Debris flows are naturally occuring mass motion events, which mobilize loose material in steep Alpine torrents. The destructive potential of debris flows is well known and demands early warning. Here we apply the amplitude source location (ASL) method to seismic ground vibrations induced by a debris flow event in Switzerland. The method efficiently detects the initiation of the event and traces its front propagation down the torrent channel.
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