Earthquakes can cause a tsunami. Earthquakes may cause fissures of cracks in the Earth's surface. More damage is caused from earthquakes in larger cities. Earthquakes can rupture gas, water, and sewage lines causing fires, flooding, and contamination of water supplies. Every state in the United States in vulnerable to having an Earthquake.
Earthquakes usually last less than a minute.
Aftershocks can be felt after the initial earthquake. It is not possible to predict when an earthquake will occur. The highest recorded earthquake on the Richter Scale is 8.9. Where an earthquake has occurred, an earthquake will occur again. Facts About the South Carolina Earthquake 1.