 The events may be slow in developing, as in the case of hurricanes, or sudden, as in the case of earthquakes.UT-TF 1 was deployed to the World Trade Center on September 11, 2001, Hurricane Katrina site in 2005, 2013 Colorado floods in September 2013, Hurricane Harvey in August 2017 and numerous other federal and local responses.UT-TF 1 membership holds rostered positions on the FEMA US&R IST.