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(1) Property coverage only for catastrophic fires. Effective January 1, 1997, Property Claim Services (PCS) unit defines catastrophes as events that cause more than $25 million in insured property damage and that affect a significant number of insureds and insurers. From 1982 to 1996, PCS used a $5 million threshold in defining catastrophes.
(2) Adjusted for inflation through 2010 by ISO using the GDP implicit price deflator.

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

(1) Property coverage only for catastrophic fires. Effective January 1, 1997, ISO's Property Claim Services (PCS) unit defines catastrophes as events that cause more than $25 million in insured property damage and that affect a significant number of insureds and insurers. From 1982 to 1996, PCS used a $5 million threshold in defining catastrophes. Before 1982, PCS used a $1 million threshold.
(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.

(1) Property coverage only for catastrophic fires. Effective January 1, 1997, ISO's Property Claim Services (PCS) unit defines catastrophes as events that cause more than $25 million in insured property damage and that affect a significant number of insureds and insurers. From 1982 to 1996, PCS used a $5 million threshold in defining catastrophes. Before 1982, PCS used a $1 million threshold.
(2) Adjusted for inflation through 2015 by ISO using the GDP implicit price deflator.

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

(1) Property coverage only for catastrophic fires. Effective January 1, 1997, ISO's Property Claim Services (PCS) unit defines catastrophes as events that cause more than $25 million in insured property damage and that affect a significant number of insureds and insurers. From 1982 to 1996, PCS used a $5 million threshold in defining catastrophes. Before 1982, PCS used a $1 million threshold. As of December 11, 2018.
(2) Adjusted for inflation through 2017 by the ̽»¨¾«Ñ¡ 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.

(1) Property losses only for catastrophic fires. Effective January 1, 1997, ISO's Property Claim Services (PCS) unit defines catastrophes as events that cause more than $25 million in insured property damage and that affect a significant number of insureds and insurers. From 1982 to 1996, PCS used a $5 million threshold in defining catastrophes. Ranked on dollars when occurred. As of November 20, 2019.
(2) Adjusted for inflation through 2018 by the ̽»¨¾«Ñ¡ Information Institute using the GDP implicit price deflator.
(3) ̽»¨¾«Ñ¡ Information Institute estimate based on data from catastrophe risk modelers, reinsurance companies, the California Deparment of ̽»¨¾«Ñ¡, and the Property Claims Services unit of Verisk Analytics. 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: ̽»¨¾«Ñ¡ Information Institute, catastrophe risk modelers, reinsurance companies, the California Department of ̽»¨¾«Ñ¡, the Property Claim Services® (PCS®) unit of ISO®, a Verisk Analytics® company, and the U.S. Bureau of Economic Analysis.

(1) Includes losses sustained by private insurers and government-sponsored programs such as the National Flood ̽»¨¾«Ñ¡ Program. Includes events that occurred through 2021. All fires on this list occurred in California. Includes Puerto Rico and the U.S. Virgin Islands. Ranked on losses in 2021 dollars. Subject to change as loss estimates are further developed. As of Feburary 3, 2022.
(2) Adjusted for inflation by Aon using the U.S. Consumer Price Index.

Source: Aon.