| Rock Elm Disturbance | |
|---|---|
 North American Middle Ordovician impact craters, which may be part of the Ordovician meteor event. Key: 1: Ames crater, 2: Decorah crater, 3: Rock Elm Disturbance, 4: Slate Islands crater | |
| Impact crater/structure | |
| Confidence | Confirmed |
| Diameter | 6 km (3.7 mi) |
| Age | 430-455 Ma Middle Ordovician |
| Exposed | - |
| Drilled | - |
| Bolide type | Ordovician meteor event? |
| Location | |
| Coordinates | 44°43′N 92°14′W / 44.717°N 92.233°W |
| Country | United States |
| State | Wisconsin |
| District | Pierce County |
| Municipality | Rock Elm |
  Location of the crater in the United States | |
The Rock Elm Disturbance is an impact crater in Pierce County, Wisconsin, United States, roughly 40 kilometres (25 mi) southwest of Menomonie.[1] The disturbance is named for Rock Elm, Wisconsin, a nearby town.
- ^ "Rock Elm". Earth Impact Database. Planetary and Space Science Centre University of New Brunswick Fredericton. Retrieved 2017-10-14.