Earthquakes & Geologic Hazards

Earthquakes & FaultsA fault is a break in the earth’s crust along which movement can take place causing an earthquake which can then cause ground shaking and liquefaction.
Landslides & Rock FallsLandslides, including debris flows and rock falls, are common natural hazards in Utah. They often strike without warning and can be destructive and costly.
RadonRadon is a radioactive gas that has no smell, taste, or color. When geologic conditions are favorable, the potential increases for high indoor levels of radon.
Earth Fissures & Ground CracksEarth fissures are commonly associated with ground subsidence caused by aquifer compaction due to groundwater withdrawal.
Geologic Hazards Technical InformationTechnical geologic-hazard maps, publications, and data, and earthquake working groups.
A Guide for Homebuyers & Real-Estate AgentsIt is prudent to identify and understand the potential geologic hazards that exist when buying, building, or selling a home.
Geologic Hazard AssistanceSources for geologic hazards and preparedness information. UGS assists cities and counties with geologic hazards.