Here, a sequence of satellite images was used to analyze the changes occurred in the area, located in Valtellina, Lombardy Region, Italy. We present and discuss data from the 1987 Val Pola rock avalanche. The debris from the Val Pola rock avalanche and landslide impounded on the Adda River creating a lake with 6 million cubic meters of water. The disaster response and monitoring system, along with related construction activities for this single landslide event amounts to nearly half of the annual landslide prevention budget in Italy. The landslide itself obliterated 5 villages and six hamlets with 43 … Located north of the landslide Fig. Landslide dams can be originated by very different phenomena, each characterized by specific types of movement, which control the final characteristics of the material. z Wikipedie, otevřené encyklopedie. 1~ Structural map of the Upper Valtellina area. P. Lunardi, Dr. Geol. the Val Pola Landslide Nature and Cause of the Phenomenon, first Emergency Interventions, final Plan of Interventions By Professor Eng. Pizzo Coppetto - Alta Valtellina (Sondrio) Poloha města Adda River. We present the case study of the Val Pola landslide dam (Central Italian Alps, … The Val Pola landslide (Val Pola rock avalanche) happened in Valtellina, Lombardy, Northern Italian Alps, on July 28, 1987 and resulted in the Valtellina disaster (destruction of villages, road closure, flooding threat) with the total cost of 400 million euros. The 1987 Val Pola Landslide was the most destructive and costly natural disaster that occurred in Italy during the last two decades. S. Agostoni and Dr. Geol. M. Presbitero During the summer of 1987, the Central Alps were hit by heavy rainfall that reached record levels in Valtellina, Val Camonica and Bergamo Valleys. Aerial photos of the Val Pola rock avalanche area. Field surveys, in situ and laboratory tests are presented and discussed as means to perform modeling of the landslide movement and of the evolution of the accumulation. On Friday 17 July 1987, the Italian Meteorological Service forecasted heavy rain over the North of the country. The main hydrographic element of the area is the gal Pola Creek. The main conditioning and triggering factors for the huge debris avalanche are described and possible mechanisms are suggested. In July 1987 a landslide affected the Val Pola (Central Alps, Italy) causing several casualities and severe damage. Val Pola landslide during Valtellina disaster (1987) Italy Thredbo landslide , Australia on 30 July 1997, destroyed hostel. The Val Pola landslide (Val Pola rock avalanche) happened in Valtellina, Lombardy, Northern Italian Alps, on July 28, 1987 and resulted in the Valtellina disaster (destruction of villages, road closure, flooding threat) with the total cost of 400 million euros.. 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