Culture is the answer for your space.
Answer
Seismic activities in this area are small and they are never even felt.
Explanation
Along the Indiana and Illinois border runs the Wabash valley seismic zone, which according to the United States Geological Services (USGS) data, lesser earthquake events happen relatively frequently along the line. Although Indiana is located near two powerful fault lines, it hasn’t produced life threatening earthquakes.
The answer is 4 is helps you estimate the distance between two places.
