Results show that caldera collapse attributed to a super eruption almost 40,000 years ago was smaller than what scientists expected. So what might have really happened?
Research Spotlights
Research spotlights are plain-language summaries of recent articles published in AGU’s suite of 24 journals.
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Tiny Creatures Form Massive, Bright Ring Around Antarctica
Dense algae populations in the Great Calcite Belt could cause carbon dioxide release from the ocean into the atmosphere.
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Clouds Don't Reflect as Much Sunlight as Previously Thought
Icy clouds may actually increase, not decrease, the amount of solar energy that reaches Earth.
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An Up Close Look at the Megaquakes That Cause Tsunamis
Researchers recreate changes in the seafloor during Japan's devastating 2011 tsunami.
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A Comparison of Surface Thinning in West Antarctic Glaciers
An uninterrupted 24-year altimetry record of Amundsen Sea Embayment glaciers indicates the initiation and pace of thinning have been inconsistent across the region.
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Martian Mantle Models Pave the Way for NASA's InSight Lander
The most detailed simulations to date of how heat flows through Mars's interior are good news for the upcoming lander and will help scientists interpret its data.
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River's Rise Linked to Oklahoma's Largest Earthquake
As human-induced earthquakes increase in frequency and magnitude, researchers race to uncover their effects on surface water and groundwater.
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Boulders Limit Transport of Sand and Gravel in Steep Rivers
Mountain rivers and streams actively reshape landscapes by eroding material from uplands and depositing it in lowlands. Scientists can now predict this transport in very steep streams.
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Smoke Signals in the Amazon
Forest fires can occur naturally, but in the world's largest rain forest, fire can signal large-scale deforestation.
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Retracing the First Spaceborne Electric Field Measurement
Fifty years ago, a sounding rocket made history by taking the first measurement of an electric field in space. What techniques were used to capture this data?