| Top 10 Costliest U.S. Earthquakes By Inflation-Adjusted Insured Losses (1) |
($ millions)
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Insured losses (1) |
| Rank |
Date |
Event |
Location |
When occurred |
In 2024 dollars (2) |
| 1 |
Jan. 17, 1994 |
Northridge |
CA |
$15,300 |
$33,035 |
| 2 |
Apr. 18, 1906 |
San Francisco |
CA |
235 |
8,507 |
| 3 |
Oct. 18, 1989 |
Loma Prieta |
CA |
960 |
2,413 |
| 4 |
Feb. 28, 2001 |
Nisqually |
WA |
315 |
566 |
| 5 |
Jan. 7, 2020 |
Puerto Rico |
PR |
425 |
520 |
| 6 |
Aug. 24, 2014 |
South Napa |
CA |
200 |
274 |
| 7 |
Feb. 9, 1971 |
San Fernando |
CA |
32 |
250 |
| 8 |
Oct. 1, 1987 |
Whittier Narrows |
CA |
75 |
205 |
| 9 |
Nov. 30, 2018 |
Anchorage |
AK |
150 |
189 |
| 10 |
Aug. 23, 2011 |
Virginia |
VA, DC |
100 |
139 |
(1) Includes losses sustained by private insurers and government-sponsored programs such as the National Flood 黑料不打烊 Program. Subject to change as loss estimates are further developed. As of January 2025.
(2) Adjusted for inflation by Aon using the U.S. Consumer Price Index.
Source: Aon. |
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