Top 10 Costliest Catastrophes, United States (1)

($ millions)

      Estimated insured property loss
Rank Date Peril Dollars when occurred In 2017 dollars (2)
1 Aug. 2005 Hurricane Katrina $41,100 $50,751
2 Sep. 2017 Hurricane Maria (3) (3)
3 Sep. 2017 Hurricane Irma (3) (3)
4 Sep. 2001 September 11: Fire, Explosion: World Trade Center, Pentagon terrorist attacks 18,779 25,405
5 Oct. 2012 Hurricane Sandy 18,750 20,240
6 Aug. 2017 Hurricane Harvey (3) (3)
7 Aug. 1992 Hurricane Andrew 15,500 24,852
8 Jan. 1994 Northridge, CA earthquake 12,500 19,169
9 Sep. 2008 Hurricane Ike 12,500 14,311
10 Oct. 2005 Hurricane Wilma 10,300 12,719
(1) Property losses only. Excludes flood damage covered by the federally administered National Flood Insurance Program. Ranked on dollars when occurred. As of December 11, 2018. (2) Adjusted for inflation through 2017 by the Insurance Information Institute using the GDP implicit price deflator. (3) Loss estimate not yet available from PCS, but a relative ranking is provided. Source: The Property Claim Services® (PCS®) unit of ISO®, a Verisk Analytics® company, U.S. Bureau of Economic Analysis.