Did You Feel It? (DYFI) collects information from people who felt an earthquake and creates maps that show what people experienced and the extent of damage.
The DYFI system collects observations from people who felt an earthquake and then maps out the extent of shaking and damage they reported. The ComCat online Search interface allows users to select que
"Did You See It?" is a new crowd sourcing initiative launched by the U.S. Geological Survey's Landslide Hazards Program to collect data about the occurrence of landslides within the United States.