Disaster Mapping

When major disaster strikes anywhere in the world, HOT rallies a huge network of volunteers to create, online, the maps that enable responders to reach those in need.

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Latest Disaster Mapping Project

HOT and DigitalGlobe have teamed up to identify and map populated places in an area of interest covering over 500,000 square kilometers in Southern Africa, Southeast Asia and Central America to support the Clinton Health Access Initiative's malaria program.

To contribute to the mapping, visit: and search for either "Eliminate Malaria" for all projects or "...


HOT supports community mapping projects around the world and assists people to create their own maps for socio-economic development and disaster preparedness.

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Latest Community Project

The “Crowdsourcing Non-Camp Refugee Data Through OpenStreetMap” project aims to improve program planning and  service delivery to refugee communities, develop better integration with host communities, and build refugee self-reliance through open map data. The program trains and equips community leaders in refugee communities to map vulnerabilities and assets in the places they live, filling in key data gaps and “blank spots” on the map. These micro-level maps are created using...


HOT develops several open source programs and applications to leverage collaborative mapping and the use of new technologies in the field of geographic information for humanitarian aid. Check them out!

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Latest Technical Project

Humanitarian OpenStreetMap Team (HOT) is designing and implimenting of the next generation of its OSM Tasking Manager 2 (TM2) software. Through a community driven process we will develop and implement significant improvements to functionality of TM2 organized around the 5 key goals for the project, UI/UX improvements, better mapper engagement, improved project creation and management tools, validation and exposing a complete API. The full overall project Terms of Reference are available here...