FEMA Mitigation Best Practices: Gallatin County, Montana Completes HAZUS-Multi Hazard Earthquake Study [open pdf - 35KB]
"Gallatin County, Montana recently completed a comprehensive, two-year study of the potential impacts of two scenario earthquakes: a maximum probable event and a maximum credible event. The study results are being used by several local agencies and organizations. The Gallatin County Department of Emergency Services is incorporating regional loss estimates into planning for earthquake mitigation, response and recovery."
Federal Emergency Management Agency: http://www.fema.gov/