Natural Hazards and Earth System Sciences
Natural Hazards and Earth System Sciences
NHESS
Articles | Volume 25, issue 8
Articles | Volume 25, issue 8
https://doi.org/10.5194/nhess-25-2771-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-25-2771-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 25, issue 8
Research article
 | 
18 Aug 2025
Research article |  | 18 Aug 2025

Seismic signal characterization of snow avalanches using distributed acoustic sensing in Grasdalen, western Norway

Franz Kleine, Charlotte Bruland, Andreas Wuestefeld, Volker Oye, and Martin Landrø

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Short summary
We used a fiber optic cable along a road in western Norway to study snow avalanches signals. Our study shows that avalanches create distinct signals in the 20–50 Hz frequency range, with larger ones having weak early warning signals. However, road traffic interference complicates automatic detection. This research highlights the potential of using existing infrastructure for avalanche monitoring. Further improvements are needed for automated detection.
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