The tsunami-triggering potential of these events raises concerns, particularly in the context of climate change.
“The project aims to explore the history of planet Earth, including ocean currents, climate change, marine life, and mineral deposits, by studying sediments and rocks beneath the seafloor," said Laura De Santis, a researcher at the National Institute of Oceanography and Applied Geophysics in Italy and a co-author of theUsing chronologic data, the team concluded that long-term climatic shifts during the Neogene period and the Quaternary period may have been critical in forming distinct rock...
Glacially influenced continental shelves, which means parts of the continent submerged under shallow water, comprise a fifth of Earth’s continental margin area and are particularly sensitive to climate changes. The team suggests that the abundant and fine-grained sediments were preserved during prolonged intervals of warmer-than-present climates.
Through analyzing the effects of past underwater landslides, the researchers believe that future seismic events off the coast of Antarctica might again pose a risk of tsunami waves reaching the shores of South America, New Zealand, and South East Asia, as per the"Giant submarine landslides have occurred both on southern and northern high latitude continental margins, including the Antarctic and Norwegian continental margins.
The team believes their insights will inform future investigations of geohazards associated with continued climate warming and Antarctic ice retreat.Antarctica’s continental margins pose an unknown submarine landslide-generated tsunami risk to Southern Hemisphere populations and infrastructure. Understanding the factors driving slope failure is essential to assessing future geohazards.
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