/ Source: The Associated Press
The 27 nuclear reactors identified by the Nuclear Regulatory Commission as possibly needing upgrades to better withstand earthquakes. Plants listed more than once have multiple reactors on the NRC list.
| Reactor | State |
| Crystal River 3 | Florida |
| Dresden 2 | Illinois |
| Dresden 3 | Illinois |
| Duane Arnold | Iowa |
| Farley 1 | Alabama |
| Farley 2 | Alabama |
| Indian Point 2 | New York |
| Indian Point 3 | New York |
| Limerick 1 | Pennsylvania |
| Limerick 2 | Pennsylvania |
| North Anna 1 | Virginia |
| North Anna 2 | Virginia |
| Oconee 1 | South Carolina |
| Oconee 2 | South Carolina |
| Oconee 3 | South Carolina |
| Peach Bottom 2 | Pennsylvania |
| Peach Bottom 3 | Pennsylvania |
| Perry 1 | Ohio |
| River Bend 1 | Louisiana |
| Saint Lucie 1 | Florida |
| Saint Lucie 2 | Florida |
| Seabrook 1 | New Hampshire |
| Sequoyah 1 | New Hampshire |
| Sequoyah 2 | Tennessee |
| Summer | South Carolina |
| Watts Bar 1 | Tennessee |
| Wolf Creek 1 | Kansas |
Source: Nuclear Regulatory Commission