The phrase "thoughts and prayers" is frequently used in the United States as an expression of condolences for victims of natural disasters (e.g. Hurricane Katrina in 2005, the 2010 Canterbury earthquake 2011 Christchurch earthquake, the 2017 Central Mexico earthquake, and Hurricane Maria in 2017). In addition, "thoughts and prayers" are also offered to victims of numerous mass shootings, including the Columbine High School massacre (1999), the November 2015 Paris attacks, the Orlando nightclub shooting, and the 2017 Las Vegas shooting.