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USGS data and tools are the digital information in a format suitable for direct input to software that can analyze its meaning in the scientific, engineering, or business context for which the data were collected.
This web site is provided by the United States Geological Survey’s (USGS) Earthquake Hazards Program as part of our effort to reduce earthquake hazard in the United States. We are part of the USGS Hazards Mission Area and are the USGS component of the congressionally established, multi-agency National Earthquake Hazards Reduction Program (NEHRP).