radar images

Ground instability in Mexico City showed by satellite radar images

Radar satellites images showing Mexico City subsidence

Five radar scans from ESA's Sentinel-1A have been been combined to create an image showing ground deformation in Mexico City. The image demonstrates that some areas of the city are subsiding at up to 2.5 cm/month.

English

Publishing Date: 

Thu, 18/12/2014 - 12:14

Country/Region: 

latitude: 

19

longitude: 

-99
Thu, 12/18/2014

UN-SPIDER news: 

0

ESA Satellites keep an eye on Dutch dikes

In the Netherlands, local authorities are looking to satellite observations as a promising option for dike monitoring and to protect against dike failures. In a recently completed Terrafirma study, the IJsselmeer dikes were checked using radar data from ESA's Envisat satellite for the period 2003–10.

English

Publishing Date: 

Wed, 24/10/2012 - 11:01
Wed, 10/24/2012

New Zealand earthquake mapped by satellite

A satellite has mapped the aftermath of the earthquake that devastated Christchurch, New Zealand, showing how the ground deformed, researchers say. Radar data from the Japanese Alos spacecraft show the magnitude 6.3 tremor that killed more than 160 people Feb. 22 was centered directly under the city's southeastern suburbs, the BBC reported Monday.

English

Country/Region: 

Publishing Date: 

Wed, 09/03/2011 - 15:07

latitude: 

175

longitude: 

-41
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