In recent years, there have been more and more incidences of natural disasters around the world. Many lives have been lost to tsunamis, earthquakes, floods and avalanches. One especially deadly disaster that can plague human kind on planet earth is the volcanic explosion. Little do people know that a catastrophe is waiting to happen right here in the United States that will impact our country as well as many others. Located underneath Yellowstone National Park is a volcano that has the potential to explode (Breining, 2007). A common question that is frequently asked is "How is Yellowstone a threat to modern world civilizations?" This web site will give a glimpse of the threat that Yellowstone National Park will have on the civilizations of our modern world. The information will include the geological history of Yellowstone National Park, the criteria that make it qualify as a super volcano, the warning signs of a potential eruption, what will happen when it erupts and the global consequences of the aftermath.