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Disaster Response & Humanitarian Aid

Mapping hope when it matters most.

Discover how OpenStreetMap powers global disaster relief and humanitarian efforts—saving lives through maps made by people like you.

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The Map that Saves Lives

What This Means

When disaster strikes—be it a flood, earthquake, or conflict zone—response teams need accurate, up-to-date maps to reach those in need. OpenStreetMap, with its open data and global community, fills critical mapping gaps in real time. Powered by volunteers and supported by humanitarian organizations, OSM enables aid agencies to navigate chaos with clarity.

How OSM has been contributing to saving lives

How you can contribute

You don't need a cape or a degree to save lives—just a mouse and a little heart .❤️

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Join the HOT Tasking Manager

Help map areas in crisis and support real-time response.

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Learn mapping with LearnOSM

Step-by-step guides for beginner to expert.

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Donate to Humanitarian OSM Team (HOT)

Support mapping for disaster response worldwide.

Learn More →