Crowdsource Mapping

Earthquake in Nepal: Space community becomes involved

Approximately 6.5 million people were affected in the region (Image: HDX)

On Saturday, 25 April 2015 a 7.8 magnitude earthquake hit Nepal, India, Bangladesh, and India with several aftershocks following on Saturday and Sunday. GDACS estimates that 6.5 million people are affected. Several actors from the satellite and mapping communities have become active in supporting response efforts in the region; particularly in Nepal, which was most severely affected.

Publishing Date: 

Mon, 27/04/2015 - 16:05

Crowdsource Mapping: HOT reboots OpenAerialMap project

Visualization of the OpenAerialMap concept

In 2007, the crowdsource mapping community OpenStreetMap launched a project called "OpenAerialMap" (OAM). Due to several challenges, such as scaling the hosting and licensing, the project was shot down after a year. Now, the Humanitarian OpenStreetMap Team (HOT) launched a new attempt of the project.

Publishing Date: 

Wed, 09/07/2014 - 10:35


Ushahidi is a global non-profit technology company with origins in Kenya. Ushahidi’s mission is the change the way information flows in the world and empower people to make an impact with open source technologies, cross-sector partnerships, and ground-breaking ventures.

More information: Ushahidi


Guide Type: 


Crowdsource Mapping: Bridging Space and Disaster Response Communities (Imaging Notes)

Issue Date: 

Wed, 01/08/2012

The article in Imaging Notes (Volume 27, No 3, Summer 2012) explains how UN-SPIDER and Secure World Foundation have been conducting a variety of activities during the past two years to identify specific actions that could ensure closer cooperation among the crowdsource mapping, disaster/disaster-risk management and space technology communities. During such meetings, experts from the space as well as from the Volunteer and Technical Community (VTC) recommended the need to raise awareness within the disaster management community regarding the innovative services provided by VTC.


Crowdsource mapping in search for the Malaysian Airlines flight

satellite image fo the Earth

As UN-SPIDER reported yesterday, there have been calls for using satellite data in the search for the Malaysian Airlines Flight which went missing on 8 March.


Publishing Date: 

Tue, 11/03/2014 - 16:16

Relief efforts in Philippines: satellite data used for crowdsource mapping

Relief workers continue struggling to reach some of the most devastated regions

More than 900 volunteers are helping in the recovery efforts in Philippines by collaborating on online maps, through the OpenStreetMap network. The method uses satellite technology and the knowledge of the public to develop those maps in order to help relief organizations. One week after Typhoon Haiyan hammered the islands, blocked roads, destroyed buildings and downed telecommunications systems it still difficult for survivors to receive the water and food they so desperately need. Relief workers continue struggling to reach some of the most devastated regions of the Philippines.

Publishing Date: 

Wed, 27/11/2013 - 10:02


UK: New fund for innovative technologies for humanitarian crises

Emergency Alert Notification

The UK will set up a new fund to back mobile, text and other innovative technologies which can be used to help those hit by humanitarian crises - such as earthquakes, floods or drought.

The new initiative was announced on 21 February 2013 by International Development Secretary Justine Greening. It has been created with the US Government and will be used to scale up existing projects and processes that use technology or innovation to support humanitarian responses across the world.

Publishing Date: 

Tue, 05/03/2013 - 09:04

Typhoon Pablo: OCHA activates Crowdsourcing Community

The United Nations Office for the Coordination of Humanitarian Affairs (OCHA) activated the Digital Humanitarian Network (DHN) on December 5th to collect all relevant tweets about Typhoon Pablo posted on December 4th and 5th; identify pictures and videos of damage/flooding shared in those tweets; geo-locate, time-stamp and categorize this content. OCHA requested that this database be shared with them by 5am Geneva time the following day. As per DHN protocol, the activation request was reviewed within an hour.

Publishing Date: 

Fri, 07/12/2012 - 08:42

International Meeting of Crowdsource Mapping successfully concluded

On 5 December 2012, UN-SPIDER concluded a three-day international expert meeting on the topic of Crowdsource Mapping for Disaster Risk Management and Emergency Response. 81 participants from a variety of backgrounds attended the meeting. They represented Crowdsource Mapping networks such as Ushahidi or the Humanitarian OpenStreetMap Team, university, entities involved in humanitarian aid, space agencies and UN organizations.

Publishing Date: 

Thu, 06/12/2012 - 17:45


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