Commonly Asked Questions about the Great Salt Lake and Ancient Lake Bonneville: Electronic version of a public information circular discusses the lake's origin, flooding, developments near the lake, and related topics. Many photos.
Earthquakes & Faults: Utah Geological Survey information and internet links about earthquakes and seismic risk in the state.
Radon in Utah: Maps and other information on Utah radon hazards. Also information on radon in general.
University of Utah Seismograph Stations: Earthquake information for Utah, Yellowstone National Park and the Intermountain Seismic Belt (ISB).
Utah Geological Survey: Investigates and reports on Utah's geologic hazards, mineral, energy, water, and paleontological resources; maps the state's geology; and provides geologic and topographic information.