The Stogovce landslide in SW Slovenia triggered during the September 2010 extreme rainfall event |
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| Authors: | Ana Petkov?ek Rok Fazarinc Marko Ko?evar Matej Ma?ek Bojan Majes Matja? Miko? |
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| Institution: | (1) Faculty of Civil and Geodetic Engineering, University of Ljubljana, Jamova cesta 2, 1000 Ljubljana, Slovenia;(2) Inženiring za vode d.o.o, Pot za Brdom 102, 1000 Ljubljana, Slovenia;(3) Geoinženiring d.o.o, Dimičeva ulica 14, 1000 Ljubljana, Slovenia |
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| Abstract: | From September 16 to September 20, 2010, a cold weather front went across Slovenia. A heavy 4-day rainfall totaling between
300 and 520 mm caused large floods and triggered numerous rainfall-induced landslides. The damage due to the floods and landslides
is estimated over 250 million Euros. One of the largest landslides covering the area of approximately 15 ha was triggered
on flysch bedrock, just below a limestone overthrust zone. The sliding material properties, the inclinations of the slope,
and the water catchment area indicate that the landslide may transform into a fast moving debris flow. The necessary protective
measures were taken to protect inhabitants and the infrastructure against the disaster. The Stogovce landslide is one of the
numerous rainfall-induced landslides that have occurred in Slovenia on flysch bedrock in the last 10 years. It proves that
landslide risk on flysch territory is increasing. Special program of monitoring and protective measures will have to be developed
in near future to protect densely populated areas against landslides as a consequence of weather extremes. |
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