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UN-ASIGN Crowd is a free application offered by UNOSAT to the humanitarian community to faciliate the collection of photos, assessments, and geo-located text messaging in the field. It is specifically designed to work over low bandwidth connections, reducing bandwidth consumption by close upto 90%.

The photos appear in real time as long as the volunteer has a GSM or Internet connection, otherwise they are stored and uploaded when connectivity is restored.  

Individual contributors can see their own photos on the asign website, while UNOSAT will have access to all photos and share those relevant with UN OCHA and other coordination entities.

The tool is regularly used in major emergency responses, including Haiti, Pakistan, Nigeria,Thailand, amonst others.

Case Study:

An operational webmap created during the 2015 Nepal Earthquake showing the hundreds of pictures collected and the valuable extra situational knowledge they bring can be seen below.



Contribute: Download the UN-ASIGN Crowd app and send pictures

Scan the QR-code below or open the below links in the browser, your pictures can be seen below and also by logging into  https://asign.cern.ch/

Scan the QR code or go to


To download from App Store or

Google Play 

UN-ASIGN For iPhone and  Android 4.x+


Latest Photos: 


This map shows the latest photos from un-asign and is not moderated, no responsibility is taken by UNOSAT for the feed contents.