Natural Disasters13
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Tropical Cyclones Are Dropping in Number, Study Says
Using historical records and model data, researchers have for the first time shown that the annual number of tropical cyclones dropped during the 20th century compared with the late 19th century.
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What’s Causing the Devastating Floods in China, India, and Bangladesh?
Climate School experts explain the conditions contributing to heavy downpours that are displacing millions in Asia.
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How to Prepare for a Hyperactive Hurricane Season
What an “above average” hurricane forecast means, and how individuals and communities can be ready to ride out the possible storms to come.
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Heat, Storm, Drought, Fire: Prolonged Climate Extremes as Cool La Niña Pacific Pattern Persists
As the tropical Pacific stays stuck in a cool phase, dangerous patterns persist worldwide.
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Looking for the Origin of Slow Earthquakes in the Guerrero Gap
We are underway on our 48-day long expedition offshore of the west coast of Mexico near Acapulco, where the young Cocos oceanic plate dives beneath the North American plate.
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Start of the Mini-Field School
We were joined in our electromagnetic investigation of the subsurface and earthquake hazard by a group of US and Bangladeshi students and professors for a mini-Field School.
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Tea Gardens to the Rescue
We switched to deploying our equipment for imaging faults and the structure beneath the surface to tea gardens to get away from power lines and buried the cables to protect them from gnawing foxes.
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Dealing With Rain and Rats
As we continued our geophysical measurements, we had to deal with heavy rains, flooding fields, and rats and foxes biting our cables. Many cables were broken soon after sunset, ruining the measurements.
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Fieldwork in Bangladesh During the End of Ramadan and Eid Festival
We have come to in Bangladesh in the pre-monsoon heat to better image the active faults beneath the surface using electromagnetic instruments. We are using the fallow fields from the just-harvested rice crop for our sites.
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
