Tuesday, March 5th, 2013 by Jim Flynn
There are many things that can trigger sinkhole activity. Some examples are, construction, heavy rains or flooding, or anything adding weight to the soil. The resulting depressions may form slowly over many years or suddenly, in which case a sinkhole can cause property damage and even loss of life. Regardless of how they form, they can cause a house to settle dramatically and damage it in a wide variety of ways. The only way to trully know if you have a sinkhole is to have an engineer test the soils.
Some signs of sinkhole activity include: