Striking the Irrawaddy Delta with unprecedented intensity, Nargis produced a devastating storm surge over the region and a maximum wind speed of 190 km/h was also reported.. Approximately 23,500 km2 (14,600 mi2) of land was inundated by the storm, affecting roughly 11 million people, 2.4 million severely. Infrastructural impacts were tremendous, with 450,000 homes, 4,000 schools, and 75 percent of healthcare facilities destroyed and 350,000 homes severely damaged. With approximately 140,000 fatalities taking place in Myanmar, Nargis is regarded as the worst disaster in the country's history and ranks as the fourth-deadliest tropical cyclone on record. Damage from the storm amounted to K13 trillion (US$15.6 billion), the majority of which occurred within the private sector.