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FEMA’s Hazus Program provides standardized tools and data for estimating risk from earthquakes, floods, tsunamis, and hurricanes. Hazus models combine expertise from many disciplines to create actionable risk information that increases community resilience. Hazus software is distributed as a GIS-based desktop application with a growing collection of simplified open-source tools. Risk assessment resources from the Hazus program are always freely available and transparently developed. The Hazus Program is managed by FEMA’s Natural Hazards Risk Assessment Program (NHRAP), within the Risk Management Directorate.

Download Hazus Today

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Download the Software

Users can download the Hazus software for free from the FEMA Flood Map Service Center.

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User and Technical Manuals

The Hazus User Manuals support model functionality, while the Hazus Technical Manuals provide detailed information about how the models work and how to generate loss estimates. See all manuals.


Hazus Loss Library

FEMA released the Hazus Loss Library, the first online collection of Hazus-generated risk assessments to support users in all phases of emergency management.

Search the library to find Hazus products, which are downloadable in spatial formats, spreadsheets and reports. Products for flood, hurricane, earthquake and tsunami events across the country include:

  • Historic and scenario-based modeling
  • Economic losses
  • Building damage and social impacts from historic events
  • Planning scenarios

The application is free for all users and easy to navigate. View our factsheet for more information, or visit the Hazus Loss Library to find risk information available for your community.

Get Started

Learn more about the Hazus risk modeling process.

Find additional Hazus resources, including training, videos, and other supporting materials.

See how Hazus can help support data-driven decision making for mitigation, preparedness, response, and recovery efforts.

Learn more about how to download, install, and run Hazus and how to access our new open source tools.

Explore our collection of success stories to see how other organizations and programs have used Hazus.

Read about the latest Hazus Program updates and events.

Connect with the Hazus Team

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Do you have a risk assessment success story to share? Email the Hazus Team with questions or comments.

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Sign up to receive updates about the Hazus Program, including our latest projects and links to our quarterly newsletters and webinars, training, and conferences.

Technical Assistance

Technical assistance is available by emailing the Hazus Help Desk.