Sascha is a U.K.-based trainee staff writer at Live Science. She holds a bachelor’s degree in biology from the University of Southampton in England and a master’s degree in science communication from Imperial College London. Her work has appeared in The Guardian and the health website Zoe.
An underwater avalanche decimated a huge chunk of the East Atlantic seabed nearly 60,000 years ago, leaving behind an enormous trail of destruction.
All in all, the avalanche grew more than 100 times in size along its path, according to the study. That's a huge growth factor compared with snow avalanches and debris flows on land, which grow four to eight times in size from start to end, co-lead author Christoph Böttner, a Marie-Curie researcher in geophysics and geology at Aarhus University in Denmark, said in the statement.
The researchers used sediment data to retrace the path of the Agadir Canyon avalanche. They analyzed more than 300 core samples taken during research cruises over the past 40 years, as well as seismic and bathymetric data from the area. By compiling this information, they created a map of the avalanche that shows its winding path inside and beyond the canyon. The team published its results Aug. 21 in the journal Science Advances.
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