The OpenQuake Engine is an open source application that allows users to compute seismic hazard and seismic risk of earthquakes on a global scale. It runs on Linux, macOS and Windows, on laptops, workstations, standalone servers and multi-node clusters. DOI: 10.13117/openquake.engine

Current stable version is the OpenQuake Engine 3.9 'Taylor'. The documentation is available at https://github.com/gem/oq-engine/tree/engine-3.9#openquake-engine.

• What's new

• About
• FAQ
• Manuals
• OQ Commands
• Architecture
• Calculation Workflow
• Hardware Suggestions
• Continuous integration and testing
• Glossary of Terms

• Development Philosophy and Coding Guidelines
• Source Code/API Documentation
• HTTP REST API
• Implementing a new GSIM

• Technology stack and requirements
• Which installation method should I use?

• Installing on Ubuntu
• Installing on RedHat and derivatives
• Installing on other flavors (without sudo)
• Installing from sources
• Installing on a cluster

• Installing on macOS
• Installing from sources

• Installing on Windows
• Installing from sources
• Starting the software

• Deploy a Docker container

A mirror of this repository, hosted in Pavia (Italy), is available at https://mirror.openquake.org/git/GEM/oq-engine.git.

The main download server (downloads.openquake.org) is hosted in Nürnberg (Germany).

• Using the command line
• Using the WebUI

• Installation
• Driving the Engine
• Visualizing outputs
• Repository
• Source code

The OpenQuake Engine is released under the GNU Affero Public License 3.

• Support forum: https://groups.google.com/forum/#!forum/openquake-users
• Twitter: @gem_devs
• Email: info@openquake.org
• IRC: irc.freenode.net, channel #openquake

The OpenQuake Engine is developed by the Global Earthquake Model Foundation (GEM) with the support of

If you would like to help support development of OpenQuake, please contact us at partnership@globalquakemodel.org. For more info visit the GEM website at https://www.globalquakemodel.org/partners