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This is a record of past federal disaster declarations, not a forecast. Federal assistance figures are aid obligated under specific programs, not total damages. For current threats, check the National Weather Service and FEMA.

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South Dakota Earthquake History

Since June 2, 1911, the USGS has recorded 1 earthquakes of magnitude 4.5 or greater in South Dakota. The strongest was M 4.5.

Strongest in South Dakota

M 4.5 · South of Huron, South DakotaJune 2, 1911

All recorded earthquakes

M 4.5 mfaJune 2, 1911
South of Huron, South Dakota

Source: U.S. Geological Survey, Earthquake Hazards Program. Older and smaller earthquakes are under-counted relative to recent decades as instrumentation improved. A record of past shaking is not a forecast. See About the Data.

South Dakota Earthquake History | DisasterAtlasUSA