Earthquake Risk in Wisconsin
Wisconsin has very low seismic risk. The state experiences rare, small earthquakes and sits on the stable interior of the North American plate. A M4.2 earthquake in 1947 near Milwaukee is among the largest on record for the state.
The largest earthquake recorded in Wisconsin was a magnitude 2.9 38 km ESE of Sturgeon Bay, Wisconsin on August 2, 2024. Wisconsin has 2 notable earthquakes on record since 2004.
Notable Earthquakes
2
Recorded in or near Wisconsin (since 2004)
Largest Earthquake
M2.9
38 km ESE of Sturgeon Bay, Wisconsin (Aug 2024)
Most Recent
M2.9
Aug 2, 2024
Notable Earthquakes
Significant earthquakes recorded in or near this state.
| Magnitude | Location | Depth | Date |
|---|---|---|---|
| M2.9 | 38 km ESE of Sturgeon Bay, Wisconsin | 11.5 km | Aug 2, 2024 |
| M2.5 | 3 km NE of Mole Lake, Wisconsin | 5.0 km | Jan 7, 2024 |
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