Nat. Hazards Earth Syst. Sci., 5, 499-503, 2005
© Author(s) 2005. This work is licensed under the
Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.
The comparison showed that, on a wide and heterogeneous area, public opinion perceives correctly 44% of events and its perception is unbiased. If, however, the focus is placed upon urban areas, the ability to perceive grows to 66%, but an "overperception" of 33% arises. If focus is finally placed upon rural areas, skills worsen, several events are missed and a significant negative bias is detected.