Still, the harmful events and its consequences are not interpreted in the same way by the distinct social groups that occupy the area. The brainstorming that diminishes the vulnerability of the places, as well as the acceptance of the losses strict is atrelada the cultural factors and also varies according to economic conditions of the affected ones. The extreme climatic event in the last trimester of 2008 in Santa Catarina provided one high precipitation, and due to its concentration and continuity it provoked floods in declivity areas and movement of mass in the hillsides. As It hisses Days (2009), between 20 and 24 of November it occurred the biggest precipitation of the State. Irregular deforestations, occupations in mountain hillsides, habitations to the side of rivers, highways badly planned, alone one morphologically fragile added to concentrated rains, they had contributed directly to this catastrophe; it enters the years of 2000 and 2005 in the State of Santa Catarina an area was deforested equivalent to the city of Florianpolis and good part occurred in hillsides and mounts (REVIEWED TIME, 2008). It did not have register of a so rainy November in this region as observed in 2008 when diverse historical records had been broken in the triangle Jaragu of the South, Blumenau and Joinville. The totals of the month had been around 1000 mm (IT HISSES DAYS, 2009); rains registered in the Valley of the Itaja had been classified for the most part of the time as moderate, but with few hours without precipitation, causing one raised volume of precipitation, saturating the ground of the region flooding areas.