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IBIS-FL helps with a landslide clearup

5th June 2012, near Gurtnellen, Switzerland. 

On the morning of 5th June 2012, above the SBB (Swiss Federal Railways) Gotthard route near Gurtnellen, there was an unexpected rockslide with a volume of about 3000 cubic meters which buried part of the railway line.

IBIS FL Gotthard

An IBIS-FL interferometric radar provided and operated by our local partner in charge of measurements, Geopraevent AG was deployed immediately after the event in order to support SBB in the identification of other possible rockfalls and provide adequate early warning. After heavy rainfall on the third day of area clearance the radar helped to identify which areas should be visually monitored for further rockfall events that could be dangerous for the crew working to clear the area. After the event the area was secured faster knowing which parts of the slope were more unstable and the railway was safely re-opened in a month, the same length of time as a similar event 3 months previously despite being 10 times larger in extent.

A full description of the event is available on Geopraevent's website (in German) here.