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Nairobi, Kenya

19 July 2018 - Nairobi, the capital city of Kenya, is featured in this Sentinel comparison. Nairobi is demonstrated using Sentinel-1 and -2 imagery to emphasise the difference between the radar and optical images the satellites provide.

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Mount Etna, Italy

13 July 2018 - This image comparison features the Mount Etna Volcano in Sicily, Italy. The Copernicus Sentinel-2 is utilised to capture the state of Mount Etna Volcano, using natural and false colour imagery.

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Mount Vesuvius fire

21 July 2017 - A series of wildfires began on the slopes of Mount Vesuvius in Italy recently. The fires consumed 9 square kilometres of forest, and Sentinel-2 was used to monitor the wide extent of the affected area on 12 July.

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Fires at Fort McMurray, Canada

31 May 2016 - The massive fire in Alberta, Canada, continues to burn, affecting the 90,000 residents of the city of Fort McMurray. This Landsat 5 and 8 image comparison shows the situation at Fort McMurray two weeks after the fires began.

Minimize About Earth Watching

The Earth Watching project started at the end of 1993 during an emergency in Germany caused by serious floods that lasted for several days in the Cologne - Bonn area.

We realised that during natural disasters, users and governmental authorities need data over the affected areas in very short timeframes, shorter than normal data delivery times, in order to co-ordinate rescue activities.

The Earth Watching project aim is not only to show natural disasters, but also to promote various satellite remote sensing applications through images and articles. Some examples are shown in the change detection part of this website.

Minimize 25 Years of Landsat

In honour of the twenty year anniversary in 2004, our Landsat Showcase was created to present some of these images and show how some of the world's cities have changed and developed through the duration of the mission.

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