Landslides risk in South Dakota

Landslides risk in South Dakota

South Dakota faces a very low risk from landslides compared with most other states. While major events are uncommon, homeowners should still know the basics, because no state is entirely immune.

Based on public hazard data, South Dakota is rated Very Low (level 1 of 5) for landslides. Risk varies by county and even by neighborhood, so always verify conditions for your specific address using the official resources listed below.

How homeowners can prepare

• Learn whether your area has a history of landslides or debris flows.
• Watch for warning signs: new cracks, tilting trees, doors that suddenly stick.
• Plant ground cover on slopes and build retaining walls where appropriate.
• Be especially alert after wildfires — burned slopes shed water fast.
• During intense storms, stay awake and ready to evacuate if in a risk zone.

Official sources and live data

• South Dakota Office of Emergency Management — the official emergency management agency for South Dakota.
• USGS Landslide Hazards Program
• Ready.gov – Landslides