Earth Sciences41
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North Korea’s 2017 Bomb Test Set Off Later Earthquakes, New Analysis Finds
Using newly refined analysis methods, scientists have discovered that a North Korean nuclear bomb test last fall set off aftershocks over a period of eight months on a previously unmapped earthquake fault nearby.
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Thoughts From the Grinnell Glacier Trail in Glacier National Park
A lot is different from my first visit to the park back in 2016 versus now.
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A Milestone for Forecasting Earthquake Hazards
In a new study, researchers report that their physics-based model of California earthquake hazards replicated estimates from the state’s leading statistical model.
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Getting Warmer: Understanding Threats to Ocean Health
Two Lamont-Doherty Earth Observatory scientists affiliated with the Center for Climate and Life are leading research that examines some of the ways climate change affects the health of the ocean.
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Short-Term Ocean Temperature Shifts Are Affecting West Antarctic Ice, Says Study
Scientists have known for some time that ice shelves off West Antarctica are melting as deep, warm ocean waters eat at their undersides, but a new study shows that temperatures, and resultant melting, can vary far more than previously thought, within a time scale of a few years.
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AGU Names Three Earth Institute Scientists as 2018 Fellows
The American Geophysical Union, the world’s largest earth and space science society, made the announcement on Thursday morning.
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AGU Recognizes Lamont Scientists With Section Awards
The American Geophysical Union honors the outstanding work of three scientists from Columbia’s Lamont-Doherty Earth Observatory.
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The Story of Lake Gus
For this early part of the season the goal is to tease apart a record of historic precipitation and temperature for this region using isotopes from leaf waxes collected in the lake sediments.
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Scientists Are Superheroes With Super Powers
Superheroes are identified by their unique powers and skills, allowing them to see and act in ways that inspire awe in the rest of us. Do scientists have superhero powers?
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
