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Scientists finally solve the secret behind two strange events that shake the entire planet all the planet in nine days. Their finds close the book with one-year effort to reconsider seismic signals to their source.
In September 2023, global seismometers revealed something strange. Small promise in the world every 90 seconds, and the vibration lasted for nine days. A month later, it happened again. Since natural tectonic processes could not explain the anomalies, scientists were confused.
Two research published in 2024 after a yearly scientific year independent assumption Dikson Fjord in East Greenland, two Mega-Sunamis in Dysson Fjord occurred as a result of two major landslides. The waves in this large position – or seiches-sehices-seiches – in Fjord or created small movements inside the ground crust.
It was an interesting opportunity and presented an attractive evidence to support both research allegations. But “This is some of the great uncertainties that make it difficult to confirm that this is the root cause.”
Thus, Monahan and his colleagues set out to confirm that this assumption was correct. In a study of the magazine today Nature communicationSeiches presented their first direct satellite observations and made them strongly linked to seismic anomalies.
Researchers used the information from which the Satellite of NASA’s Surface Water and Satellite Satellite) has initiated In December 2022 map The height of water between 90% of the surface of the earth. This type of data known as satellite altimeter, a satellite from a satellite to the surface of the land and then measure the time to bounce from the surface and return to the surface.
Ordinary alimeters could not seize Seiches’s evidence due to long spaces in Oxford’s opinion statement. According to Monahan, they are generally struggling to collect information in the Fjord regions. However, Swot is equipped with an advanced altimeter tool that uses two antennas to triangle the return signals. This allows the satellite to take very high resolution measurements in surface water levels.
“What we can get is an incredibly high resolution image of what the sea surface he can do in these complex areas,” Monahan said. These images presented a more accurate photo that allows Fjord’s sea surface high in the 2023 seismic event, which allows the media to calculate the slopes of the investigation team.
“We have an important anomaly in Fjord, which we will expect this wave to happen in this wave, we have revealed the fact,” Monahan said.
However, strange seismic signals, which determined that these sehicles are also occurred, were not enough to prove that two events are still related. Researchers needed direct evidence to prove that these huge waves are capable of creating global boots.
To this end, Swoth polls tied to small movements in the Earth crust, found in seismic stations located thousands of kilometers from Fjord. This continuous seismic information allowed to close this sustainable seismic data with the interim satellite observations, and even reconstructed the properties of the developments. Researchers also ruled out the possibility that seismicity was caused by air or tidal conditions and as a result of the sources of Seiches.
Monahan, the warming glacier itself, these waves occurred in the collapse. “This has created a mass mega-tsunami produced by Fjord, 200 meters or 600 feet of 600 feet,” he said.
“This is a mega tsunami in the east of this nature,” Monahan said that this type of event was documented on the west coast of the area. This phenomenon, spreading to other parts of the ice sheet, because it shows that climate change is accelerated in this region.
“I think this study really emphasizes that this is good, but the climate change is a global phenomenon,” he said.
“Some of the greatest and fastest changes are in the arctic and in the remote areas we do not see every day. Indeed, the waves that shake the world are offered to remember the sweeping effects of the global temperature.
