Distributed acoustic sensing offered researchers a means to measure ground deformation from atop ice-clad Grímsvötn volcano with unprecedented spatial and temporal resolutions.
Science Updates
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Planetary Dunes Tell of Otherworldly Winds
On Earth and throughout our solar system, ripples and dunes in sand and dust offer insights into how winds blow, liquid currents flow, and solid particles fly and bounce over the terrain.
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Arctic Unicorns and the Secret Sounds of a Glacial Fjord
The successful deployment of a seafloor seismometer near the calving front of a Greenland glacier has opened a new avenue to study hidden glacial processes and the behavior of fjord-dwelling wildlife.
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Forecasting Compound Floods in Complex Coastal Regions
Coastal communities face more frequent floods in which rain, rivers, and ocean storm surge combine forces. A reliable system that accurately predicts inundation from these events is urgently needed.
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A Simple Recipe for Making the First Continental Crust
Laboratory experiments serendipitously revealed a rock-forming process that might explain how the first continental crust formed on Earth—and possibly on Mars.
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Tree Rings Reveal a 700-Year Record of Flooding in Bangladesh
Trees tell of a wetter past along the Brahmaputra River and, combined with climate modeling, suggest heightened future flood risks in one of the world’s most densely populated areas.
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Navigating Miocene Ocean Temperatures for Insights into the Future
A new temperature data portal will aid scientists in tracking and accessing paleoclimate data from the Miocene, a past warm climate interval and future climate analogue.
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Cormorants Are Helping Characterize Coastal Ocean Environments
The Cormorant Oceanography Project is using sensors deployed on diving marine birds to collect broadly distributed oceanographic data in coastal regions around the world.
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A New Focus on the Neglected Carbonate Critical Zone
Studies of Earth’s critical zone have largely focused on areas underlain by silicate bedrock, leaving gaps in our understanding of widespread and vital carbonate-dominated landscapes.
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Recognizing Geology’s Colonial History for Better Policy Today
The Minnesota Geological Survey has contributed to the dispossession of homelands from Indigenous Peoples. The agency is creating more just policies.