Guard 1 picks the ground shift from the Myanmar earthquake

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04/24/2025 784 Views 11 likes

On March 28, 2025, a strong earthquake struck 7.7 in the middle of Myanmar, which resulted in the transmission of shock waves across the area. While the country is still dealing with the devastating effects, scientists have used the radar images of the Copernicus Sentinel-1 to reveal a detailed image of how the Earth turns as a result of the earthquake-which provides new visions in the tectonic error mechanics and the seismic descent scale.

Just one day before the earthquake hit, the Sentinel-1A satellite, as part of the routine global monitoring plan, picked up a radar image of Myanmar. Then a few days after the earthquake, Sentinel-1C reconsidged the site, and was assigned an additional image. Both pictures were combined to form an overlap of the epic error.

The Sentinel-1 mission includes two satellites rotating 180 degrees to cover the world together every six days.

The task provides high -resolution radar images of the Earth, regardless of weather conditions or if it is today or night to support a wide range of Copernicus's services and applications. This surveillance includes marine ice in the Arctic, tracking ice and drawing routine maps of the sea, as well as discovering the land deformation caused by landing, height, landslides, and as in this case, earthquakes.

Sentinel-1: Detection of the Earth's surface

Sentinel-1A has been working in service since 2014, but Sentinel-1C has been in orbit only since December 2024 and is still in the assignment stage-however it already provides her promise.

While the instant priority is to support the efforts of recovery and mourning for the lost lives in this devastating catastrophe, understanding how the Earth turns is very important as well. Using satellite radar images, scientists can set the extent of rupture and determine the areas of increased seismic risks.

This information is vital to improving earthquake models and developing effective disaster response strategies, including safe and enlightened reconstruction, helping societies to rebuild more flexibility.

Thanks to the Sentinel-1 mission, the variable shape of the Earth's Earth's surface can be set accurately millimeter, but it depends on the method of processing complex data called artificial radar overlap.

This includes the combination of two radar images, one by directly before and one of the earthquake directly to produce overlap. Using small differences in the radar signal stage to discover the incredibly accurate ground transformations, the result is a polite colored pattern that reveals how the Earth moved during the earthquake.

Moreover, the advanced photography mode of the advanced radar of Sentinel-1, known as terrain monitoring with gradual surveying operations, allows scientists to measure the ground movement in both east, west, north and south-a unique ability. Most satellite imaging radars can only be seen through the trips path, but thanks to a technique called “overlapping overlap”, the Sentinel-1 mission offers a full show of ground deformation.

Sentinel-1 radar compared to overlap

The first collection of pictures, the above, compares the radar image with interference. The image on the left is a radar image taken by Sentinel-1C on April 2, while the image on the right is an overlap-created compound by combining the Sentinel-1A image from March 27 with the Sentinel-1C image from April 2, after the earthquake.

These images effectively indicate an area around Bouboy, but the closest margin very clearly indicates that the notorious epic error, which extends north to south as well as the earthquake shifts from the earthquake.

Each full cycle of colors, from heavenly to yellow to red to blue and returning to heavenly, is a floor displacement of about 160 cm along the rift line. Through the rift line, each cycle represents the color of the Earth's displacement about 28 mm. These impressive parties show how different parts of the earth move, with each aspect of error shifts in opposite directions – clear evidence of tectone slide.

Myanmar overlap from Copenicus Sentinel-1

After that, this second group of images provides a wider (left) overlap, as it represents the narrow margin on the right through Mandalay and stretches in the south, making the extent of rupture clearly clear.

The image on the right uses data from Sentinel-1A and Sentinel-1C to detect the “map of cohesion”, where the error appears as a dark fracture through the ground. The map of cohesion shows these areas that have changed between the acquisition dates as if they are dark tones while the stable areas appear bright.

“We are clearly happy with the results.”

These high -resolution radar images are not just impressive images, they are important tools for earthquake science. By studying margins and phase jumps in interference, geological scientists can create detailed maps, which helps to detect how and where the surface change. This information is vital to understanding seismic activity and preparing for future events.

“Dirk Geudtner” said. “It provides faster and more accurate reviews after disasters, and helps us to improve earthquake models worldwide. This is an example of a textbook for how space technology helps us to understand seismic risks.”

“These results show that the new Sentinel-1C satellite is working perfectly and its data can be used with confidence alongside its older brother Sentinel-1A,” said Ramon Torres, director of the ESA Sentinel-1 project.

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