NEW YORK, August 23, 2011 —Reporters covering the insurance implications of the earthquake that shook the Mid-Atlantic and Northeast today are encouraged to contact the Insurance Information Institute (I.I.I.).
The I.I.I. can provide an overview of the United States insurance market as well as information on earthquake history in the U.S. and globally.
The I.I.I.’s media contacts are:
Michael Barry
Dr. Robert Hartwig
Jeanne Salvatore
Senior vice president, Public Affairs and consumer spokesperson at 917-612-4088 or
jeannes@iii.org
For more information about earthquakes, go to:
Facts and Statistics: Earthquakes
Issues Update: Earthquakes: Risk and Insurance Issues
White Paper: California Earthquake Authority
Top 10 Costliest U.S. Earthquakes By Inflation-Adjusted Insured Losses (1)
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Insured losses (1) |
| Rank |
Date |
Event |
Location |
When occurred |
In 2025 dollars (2) |
| 1 |
Jan. 17, 1994 |
Northridge |
CA |
$15,300 |
$33,991 |
| 2 |
Apr. 18, 1906 |
San Francisco |
CA |
235 |
8,753 |
| 3 |
Oct. 18, 1989 |
Loma Prieta |
CA |
960 |
2,483 |
| 4 |
Feb. 28, 2001 |
Nisqually |
WA |
315 |
582 |
| 5 |
Jan. 7, 2020 |
Puerto Rico |
PR |
425 |
535 |
| 6 |
May 18, 1980 |
Mount St. Helens |
WA |
71 |
282 |
| 7 |
Aug. 24, 2014 |
South Napa |
CA |
200 |
273 |
| 8 |
Feb. 9, 1971 |
San Fernando |
CA |
32 |
257 |
| 9 |
Oct. 1, 1987 |
Whittier Narrows |
CA |
75 |
211 |
| 10 |
Nov. 30, 2018 |
Anchorage |
AK |
150 |
193 |
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(1) 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 2026.
(2) Adjusted for inflation by Aon using the U.S. Consumer Price Index.
Source: Aon.
View Archived Tables
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