subduction
-
Ocean Sediments Off Pacific Coast May Feed Tsunami Danger
Tightly packed sediments help the Cascadia Subduction Zone generate large earthquakes, and could boost its ability to trigger a large tsunami.
-
Some Islands Started in Diamond-Bearing Regions Under Continents, Geochemists Say
Journeys Spanning Thousands of Miles, Billions of Years
-
The Downs and Ups of Mountain Building
In the islands off Papua New Guinea, the rocks are giving rise to new ideas about the ways mountain chains form. A new scientific model shows how two seemingly opposite processes can take place in the same region.
-
The Dawn of Plate Tectonics
An ancient grain of zircon found In Jack Hill sandstone north of Perth, Inside its crystal lattice bound: Secrets of our planet’s birth.
-
Terry Plank: Volcano Maven
“It just looked like black rock, but every once in awhile a boulder at the end would fall off and you’d see it was completely red inside. And it made all these cool sounds and you’d feel these little earthquakes… It was totally cool. How could you not like that?”
AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More
