Lansing, Mich. — Michigan homeowners face a generally low risk of sinkholes compared with many other parts of the country, but experts say subtle ground changes should still be taken seriously when they occur.
According to the U.S. Geological Survey, most of Michigan does not sit atop extensive limestone or other highly soluble rock formations commonly associated with sinkhole development. As a result, widespread sinkhole activity is uncommon across the state.
Geologists caution, however, that low risk does not mean no risk. Isolated sinkholes can still develop, particularly in areas affected by abandoned mines, legacy underground infrastructure, or where groundwater conditions change due to heavy rainfall, snowmelt, or construction activity.
Sinkholes typically form gradually, even in low-risk regions. Experts emphasize that surface changes often serve as early indicators of underground erosion or soil movement long before a collapse occurs.
Homeowners may notice shallow depressions forming in yards, soil that feels soft or spongy underfoot, or unexpected areas of standing water. Cracks appearing in sidewalks, driveways, patios, or foundation walls can also reflect subtle ground movement rather than routine settling.
Other warning signs are easy to dismiss. Leaning fences, separating steps, tilting trees, or gaps opening between soil and concrete surfaces may sometimes point to localized ground instability rather than normal wear.
In Michigan, sinkhole-related concerns are typically localized rather than widespread. Experts say risk can vary by neighborhood depending on soil composition, drainage conditions, past land use, and the presence of older underground structures.
The USGS advises homeowners not to fill depressions or cover affected areas if changes persist or worsen, as doing so can mask developing problems and delay proper evaluation by local officials or qualified professionals.
Experts stress that awareness — not alarm — remains the most effective response. Even in low-risk states, early attention to subtle ground changes can help reduce property damage and improve safety.
