Hazus User Release Notes and Factsheets

This page provides user-facing release notes from Hazus releases and service packs, as well as various Hazus Factsheets on tools and updates. The purpose of the release notes is to describe the functional changes and known issues found in any releases and associated data updates.

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Factsheet: Hazus Flood Assessment Structure Tool (FAST)

This document provides a quick overview of FAST, an open source tool from FEMA's Hazus Program that rapidly analyzes structure-level flood risk.

Factsheet: Hazus Flood Hazard Import Tool (FHIT)

This document provides an overview of FHIT, an open source tool that allows Hazus users to rapidly access and incorporate publicly available flood hazard data from ADCIRC, and eventually other sources, into a Hazus flood analysis.

Factsheet: FEMA Hazus Export Tool

This document provides an overview of the Hazus Export Tool, an open source tool designed for a quick and easy extraction of Hazus results into readily usable data formats. This aids in visualizing risk assessment results to support risk communication and a deeper analysis.

Factsheet: Hazus Loss Library

This document provides an overview of the new Hazus Loss Library, an online collection where planners and emergency managers can search, view, and download authoritative risk information generated using Hazus

Hazus 5.1 Release Notes

This document provides a detailed description of enhancements, defects, and new functionality addressed in this release of Hazus risk analysis software.

Factsheet: Hazus Hurricane Modeling in Puerto Rico and the U.S. Virgin Islands

This document provides an overview of the updates made in FEMA's Hazus Hurricane-Wind Model for Puerto Rico and the U.S. Virgin Islands.

Factsheet: Hazus for Hurricane Modeling

This document provides an overview of FEMA's Hazus Hurricane-Wind Model, including how it works, data inputs, and uses in the emergency management community.

Hazus 5.0 Release Notes

This document provides a detailed description of enhancements, defects, and new functionality addressed in this release of Hazus risk analysis software."

Factsheet: What is Hazus

This document provides an overview of FEMA's Hazus, including how it works, data inputs, and uses in the emergency management community.

Hazus 4.2 (SP3) Release Notes

This document provides a detailed description of enhancements, defects, and new functionality addressed in this release of Hazus risk analysis software.

Factsheet: Nationwide Inventory Data Update

This document provides a quick overview of new risk assessment data for the U.S. Territories and nationwide infrastructure, updated November 2019.

Methodology: HIFLD Data Update

This document provides a detailed methodology of the data updates made to the statewide inventory databases in Hazus, based on HIFLD Open data.

Methodology: US Territories Data Update

This document provides a detailed methodology of the data updates made to the Puerto Rico and U.S. Virgin Islands inventory datasets.

Methodology: US Territories Building Exposure Estimate 2019 Update

This document provides a side-by-side comparison of the new 2019 building exposure estimates for the US territories compared with legacy hazus estimates, at the general and specific occupancy levels.

November 2019 Data and Tools Release Notes

This document provides a detailed description of enhancements and new functionality addressed during this release of Hazus risk analysis tools and data.

Hazus 4.2 (SP2) Release Notes

This document provides a detailed description of enhancements, defects, and new functionality addressed in this release of Hazus risk analysis software.

Hazus 4.2 (SP1) Release Notes

This document provides a detailed description of enhancements, defects, and new functionality addressed in this release of Hazus risk analysis software.

Hazus 4.2 Release Notes

This document provides a detailed description of enhancements, defects, and new functionality addressed in this release of Hazus risk analysis software.

Hazus 4.0 Release Notes

This document provides a detailed description of enhancements, defects, and new functionality addressed in this release of Hazus risk analysis software.

Hazus Hurricane Model User Guidance

Last updated June 23, 2022