Scientists Keeping Keen Eye on Slow-Moving Alaskan Landslide That Could Trigger Devastating Tsunami In 2023, researchers experienced a never-before-seen surface phenomenon that completely changed the ...

Greenland has large deposits of rare earth minerals along its coasts, but these are also geologically hazardous regions. Alex Hibbert/The Image Bank via Getty Images ...

The left panel shows a ground motion visualisation, showing the seismic wave from the Greenland seiche spreading ... 2023 tsunami and seiche in Dickson fjord.

Eventually, the mysterious hum was traced to a massive landslide in Greenland’s remote Dickson Fjord. A massive rock and ice collapse, equivalent to the volume of 10,000 Olympic swimming pools ...

Left panel shows a ground motion visualization, showing the seismic wave from the Greenland seiche spreading ... 16, 2023 tsunami and seiche in Dickson fjord.

The unstable slopes reflect how the ice sheet eroded the deep fjords when it was larger. Now that the ice has melted, nothing buttresses the near-vertical valley walls, and so, they collapse. There’s ...