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Top 10 Costliest Natural Catastrophes, United States (1)

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($ millions)

			Estimated insured property loss
Rank	Year	Peril	Dollars when occurred	In 2023 dollars (2)
1	2005	Hurricane Katrina	$65,000	$101,865
2	2022	Hurricane Ian	54,000	55,772
3	2021	Hurricane Ida	36,000	40,503
4	2012	Hurricane Sandy	30,000	39,918
5	2017	Hurricane Harvey	30,000	37,609
6	2017	Hurricane Irma	30,050	37,473
7	2017	Hurricane Maria	29,511	36,802
8	1992	Hurricane Andrew	16,000	34,951
9	1994	Northridge Earthquake	15,300	32,210
10	2008	Hurricane Ike	18,200	25,604

(1) Natural disasters that cause at least $25 million in insured losses; or 10 deaths; or 50 people injured; or 2,000 filed claims or homes and structures damaged. Includes Puerto Rico and the U.S. Virgin Islands. Includes losses sustained by private insurers and government-sponsored programs such as the National Flood Insurance Program. Subject to change as loss estimates are further developed. As of January 2024.
(2) Adjusted for inflation by Aon using the U.S. Consumer Price Index.

Source: Aon.

THE TEN MOST COSTLY CATASTROPHES, UNITED STATES (1)

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($ millions)

			Estimated insured property losses
Rank	Date	Peril	Dollars when occurred	In 2013 dollars (2)
1	Aug. 2005	Hurricane Katrina	$41,100	$47,622
2	Sep. 2001	Fire, explosion: World Trade Center, Pentagon terrorist attacks	18,779	23,895
3	Aug. 1992	Hurricane Andrew	15,500	23,386
4	Oct. 2012	Hurricane Sandy	18,750	19,033
5	Jan. 1994	Northridge, CA earthquake	12,500	18,038
6	Sep. 2008	Hurricane Ike	12,500	13,426
7	Oct. 2005	Hurricane Wilma	10,300	11,934
8	Aug. 2004	Hurricane Charley	7,475	8,939
9	Sep. 2004	Hurricane Ivan	7,110	8,502
10	Apr. 2011	Flooding, hail and wind including the tornadoes that struck Tuscaloosa and other locations	7,300	7,540

(1) Property coverage only. Excludes flood damage covered by the federally administered National Flood Insurance Program.
(2) Adjusted for inflation through 2013 by ISO using the GDP implicit price deflator.

Source: The Property Claim Services® (PCS®) unit of ISO®, a Verisk Analytics® company.

TOP 10 MOST COSTLY CATASTROPHES, UNITED STATES (1)

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($ millions)

			Estimated insured property losses
Rank	Date	Peril	Dollars when occurred	In 2014 dollars (2)
1	Aug. 2005	Hurricane Katrina	$41,100	$48,383
2	Sep. 2001	Fire, explosion: World Trade Center, Pentagon terrorist attacks	18,779	24,279
3	Aug. 1992	Hurricane Andrew	15,500	23,785
4	Oct. 2012	Hurricane Sandy	18,750	19,307
5	Jan. 1994	Northridge, CA earthquake	12,500	18,345
6	Sep. 2008	Hurricane Ike	12,500	13,639
7	Oct. 2005	Hurricane Wilma	10,300	12,125
8	Aug. 2004	Hurricane Charley	7,475	9,083
9	Sep. 2004	Hurricane Ivan	7,110	8,639
10	Apr. 2011	Flooding, hail and wind including the tornadoes that struck Tuscaloosa and other locations	7,300	7,652

(1) Property losses only. Excludes flood damage covered by the federally administered National Flood Insurance Program.
(2) Adjusted for inflation through 2014 by ISO using the GDP implicit price deflator.

Source: Property Claim Services (PCS®), a Verisk Analytics® business.

Top 10 Costliest Catastrophes, United States (1)

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($ millions)

			Estimated insured property loss
Rank	Date	Peril	Dollars when occurred	In 2015 dollars (2)
1	Aug. 2005	Hurricane Katrina	$41,100	$49,047
2	Sep. 2001	Fire, explosion: World Trade Center, Pentagon terrorist attacks	18,779	24,613
3	Aug. 1992	Hurricane Andrew	15,500	24,111
4	Oct. 2012	Hurricane Sandy	18,750	19,563
5	Jan. 1994	Northridge, CA earthquake	12,500	18,597
6	Sep. 2008	Hurricane Ike	12,500	13,826
7	Oct. 2005	Hurricane Wilma	10,300	12,292
8	Aug. 2004	Hurricane Charley	7,475	9,207
9	Sep. 2004	Hurricane Ivan	7,110	8,758
10	Apr. 2011	Flooding, hail and wind including the tornadoes that struck Tuscaloosa and other locations	7,300	7,757

(1) Property losses only. Excludes flood damage covered by the federally administered National Flood Insurance Program.
(2) Adjusted for inflation through 2015 by ISO using the GDP implicit price deflator.

Source: Property Claim Services (PCS®), a Verisk Analytics® business.

Top 10 Costliest Catastrophes, United States (1)

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($ millions)

			Estimated insured property losses
Rank	Date	Peril	Dollars when occurred	In 2016 dollars (2)
1	Aug. 2005	Hurricane Katrina	$ 41,100	$ 49,793
2	Sep. 2001	Fire, Explosion: World Trade Center, Pentagon terrorist attacks	18,779	24,987
3	Aug. 1992	Hurricane Andrew	15,500	24,478
4	Oct. 2012	Hurricane Sandy	18,750	19,860
5	Jan. 1994	Northridge, CA earthquake	12,500	18,880
6	Sep. 2008	Hurricane Ike	12,500	14,036
7	Oct. 2005	Hurricane Wilma	10,300	12,479
8	Aug. 2004	Hurricane Charley	7,475	9,348
9	Sep. 2004	Hurricane Ivan	7,110	8,891
10	Apr. 2011	Flooding, hail and wind including the tornadoes that struck Tuscaloosa and other locations	7,300	7,875

(1) Property losses only. Excludes flood damage covered by the federally administered National Flood Insurance Program.
(2) Adjusted for inflation through 2016 by ISO using the GDP implicit price deflator.

Source: The Property Claim Services® (PCS®) unit of ISO®, a Verisk Analytics® company.

Top 10 Costliest Catastrophes, United States (1)

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($ 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.

Top 10 Costliest Catastrophes, United States (1)

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($ millions)

				Estimated insured property loss
Rank	Date	Peril	Location	Dollars when occurred	In 2018 dollars (2)
1	Aug. 2005	Hurricane Katrina	AL, FL, GA, LA, MS, TN	$41,100	$51,882
2	Sep. 2017	Hurricane Maria (3)	PR, USVI	25,000-30,000	25,600-30,700
3	Sep. 2017	Hurricane Irma (3)	AL, FL, GA, NC, PR, SC, USVI	20,000-25,000	20,400-25,600
4	Sep. 2001	September 11: Fire, Explosion: World Trade Center, Pentagon terrorist attacks	NY, VA	18,779	25,958
5	Oct. 2012	Hurricane Sandy	CT, DC, DE, MA, MD, ME, NC, NH, NJ, NY, OH, PA, RI, VA, VT, WV	18,750	20,688
6	Aug. 2017	Hurricane Harvey (3)	AL, LA, MS, NC, TN, TX	16,000-19,000	16,400-19,400
7	Aug. 1992	Hurricane Andrew	FL, LA	15,500	25,404
8	Jan. 1994	Northridge, CA earthquake	CA	12,500	19,595
9	Sep. 2008	Hurricane Ike	AR, IL, IN, KY, LA, MO, OH, PA, TX	12,500	14,631
10	Oct. 2005	Hurricane Wilma	FL	10,300	13,002

(1) Property losses only. Excludes flood damage covered by the federally administered National Flood Insurance Program. Ranked on dollars when occurred. As of March 6, 2019.
(2) Adjusted for inflation through 2018 by the Insurance Information Institute using the GDP implicit price deflator.
(3) Insurance Information Institute estimate based on data from catastrophe risk modelers, reinsurance companies, the Property Claims Services unit of Verisk Analytics,
the Federal Emergency Management Agency of the U.S. Department of Homeland Security, and the Florida Office of Insurance Regulation. These estimates are preliminary
because the organizations involved periodically resurvey the events, and the severity of losses and other factors create a high level of uncertainty surrounding the
ultimate loss figures.

Source: Insurance Information Institute, catastrophe risk modelers, reinsurance companies, U.S. Department of Homeland Security, the Florida Office of Insurance Regulation,
the Property Claim Services® (PCS®) unit of ISO®, a Verisk Analytics® company, and the U.S. Bureau of Economic Analysis.

Top 10 Costliest Catastrophes, United States (1)

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($ millions)

				Estimated insured property loss
Rank	Date	Peril	Location	Dollars when occurred	In 2018 dollars (2)
1	Aug. 2005	Hurricane Katrina	AL, FL, GA, LA, MS, TN	$41,100	$51,882
2	Sep. 2017	Hurricane Maria (3)	PR, USVI	25,000-30,000	25,600-30,700
3	Sep. 2017	Hurricane Irma (3)	AL, FL, GA, NC, PR, SC, USVI	22,000-27,000	22,500-27,600
4	Aug. 2017	Hurricane Harvey (3)	AL, LA, MS, NC, TN, TX	18,000-20,000	18,400-20,400
5	Sep. 2001	September 11: Fire, Explosion: World Trade Center, Pentagon terrorist attacks	NY, VA	18,779	25,958
6	Oct. 2012	Hurricane Sandy	CT, DC, DE, MA, MD, ME, NC, NH, NJ, NY, OH, PA, RI, VA, VT, WV	18,750	20,688
7	Aug. 1992	Hurricane Andrew	FL, LA	15,500	25,404
8	Jan. 1994	Northridge, CA earthquake	CA	12,500	19,595
9	Sep. 2008	Hurricane Ike	AR, IL, IN, KY, LA, MO, OH, PA, TX	12,500	14,631
10	Oct. 2018	Hurricane Michael (3)	AL, FL, GA, MD, NC, SC, VA	8,000-13,000	8,000-13,000

(1) Property losses only. Excludes flood damage covered by the federally administered National Flood Insurance Program. Ranked on dollars when occurred. As of November 20, 2019.
(2) Adjusted for inflation through 2018 by the Insurance Information Institute using the GDP implicit price deflator.
(3) Insurance Information Institute estimate based on data from catastrophe risk modelers, reinsurance companies, the Property Claims Services unit of Verisk Analytics, the Federal Emergency Management Agency of the U.S. Department of Homeland Security, and the Florida Office of Insurance Regulation. These estimates are preliminary because the organizations involved periodically resurvey the events, and the severity of losses and other factors create a high level of uncertainty surrounding the ultimate loss figures.

Source: Insurance Information Institute, catastrophe risk modelers, reinsurance companies, U.S. Department of Homeland Security, the Florida Office of Insurance Regulation, the Property Claim Services® (PCS®) unit of ISO®, a Verisk Analytics® company, and the U.S. Bureau of Economic Analysis.

Top 10 Costliest Natural Catastrophes, United States (1)

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($ millions)

			Estimated insured property loss
Rank	Year	Peril	Dollars when occurred	In 2020 dollars (2)
1	2005	Hurricane Katrina	$65,000	$86,570
2	2012	Hurricane Sandy	30,000	33,930
3	2017	Hurricane Harvey	30,000	31,960
4	2017	Hurricane Irma	30,050	31,840
5	2017	Hurricane Maria	29,500	31,300
6	1992	Hurricane Andrew	16,000	29,700
7	1994	Northridge earthquake	15,300	27,370
8	2008	Hurricane Ike	18,200	21,760
9	2012	Drought loss	14,400	16,610
10	2005	Hurricane Wilma	10,666	14,010

(1) Natural disasters that cause at least $25 million in insured losses; or 10 deaths; or 50 people injured; or 2,000 filed claims or homes and structures damaged. Includes Puerto Rico and the U.S. Virgin Islands. Includes losses sustained by private insurers and government-sponsored programs such as the National Flood Insurance Program. Subject to change as loss estimates are further developed. As of February 23, 2021.
(2) Adjusted for inflation by Aon using the U.S. Consumer Price Index.

Source: Aon.

Top 10 Costliest Natural Catastrophes, United States (1)

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($ millions)

			Estimated insured property loss
Rank	Year	Peril	Dollars when occurred	In 2021 dollars (2)
1	2005	Hurricane Katrina	$65,000	$89,680
2	2021	Hurricane Ida	$36,000	$36,000
3	2012	Hurricane Sandy	30,000	35,140
4	2017	Hurricane Harvey	30,000	33,110
5	2017	Hurricane Irma	30,100	33,000
6	2017	Hurricane Maria	29,500	32,400
7	1992	Hurricane Andrew	16,000	30,770
8	1994	Northridge Earthquake	15,300	28,360
9	2008	Hurricane Ike	18,200	22,540
10	2012	Drought loss	14,400	17,210

(1) Natural disasters that cause at least $25 million in insured losses; or 10 deaths; or 50 people injured; or 2,000 filed claims or homes and structures damaged. Includes Puerto Rico and the U.S. Virgin Islands. Includes losses sustained by private insurers and government-sponsored programs such as the National Flood Insurance Program. Subject to change as loss estimates are further developed. As of February 1, 2022.
(2) Adjusted for inflation by Aon using the U.S. Consumer Price Index.

Source: Aon.

Top 10 Costliest Natural Catastrophes, United States (1)

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($ millions)

			Estimated insured property loss
Rank	Year	Peril	Dollars when occurred	In 2022 dollars (2)
1	2005	Hurricane Katrina	$65,000	$98,727
2	2022	Hurricane Ian	52,500	52,553
3	2021	Hurricane Ida	36,000	39,256
4	2012	Hurricane Sandy	30,000	38,688
5	2017	Hurricane Harvey	30,000	36,450
6	2017	Hurricane Irma	29,550	35,714
7	2017	Hurricane Maria	29,500	35,654
8	1992	Hurricane Andrew	16,000	33,875
9	1994	Northridge Earthquake	15,300	31,218
10	2008	Hurricane Ike	18,200	24,815

(1) Natural disasters that cause at least $25 million in insured losses; or 10 deaths; or 50 people injured; or 2,000 filed claims or homes and structures damaged. Includes Puerto Rico and the U.S. Virgin Islands. Includes losses sustained by private insurers and government-sponsored programs such as the National Flood Insurance Program. Subject to change as loss estimates are further developed. As of January 2023.
(2) Adjusted for inflation by Aon using the U.S. Consumer Price Index.

Source: Aon.