Each year thousands of banks and other financial institutions report data about mortgages to the public, thanks to the Home Mortgage Disclosure Act, or HMDA for short.
An earthquake is sudden ground movement caused by the sudden release of energy stored in rocks. The earthquake happens when so much stress builds up in the rocks that the rocks rupture. An earthquake's energy is transmitted by seismic waves.
As aforementioned, earthquakes are considered a natural disaster caused by the geological movements of plates, however there are some other causes, both human and natural. Volcanic activity, landslides, mine blasts and nuclear tests have all been linked to the formation of an earthquake.