A tsunami struck a fjord in East Greenland in 2023, ringing seismometers for nine straight days. A new satellite study provides the first observational evidence of the waves.
Earth science
Posted inEditors' Highlights
Obtaining Local Streamflow at Any Resolution
A new upscaling method ensures that global simulations at low resolution preserve the streamflow at local points of interest, such as stream gauges.
Posted inFeatures
Hydrothermal Hazards on Display in Yellowstone National Park
Tourists and officials were startled by a hydrothermal explosion at Black Diamond Pool in July 2024. Geoscientists are working out how and why it occurred to better understand these hazardous events.
Posted inEditors' Highlights
Shedding Light on the Mysteries of Deep Earthquakes
By analyzing forty deep earthquakes around the world, researchers discover the key role of a dual mechanism that allows earthquakes to grow larger and release more stress.
Posted inNews
Precipitation Extremes Drive Swings in Lake Tahoe’s UV Exposure
An 18-year study reveals dramatic year-to-year variations in ultraviolet radiation penetration tied to Sierra Nevada precipitation cycles.
Posted inEditors' Vox
Water Tracks: The Veins of Thawing Landscapes
Tracing and tracking change in permafrost flowpaths could reveal the dynamics of warming poles.
Posted inAGU News
Worldwide Fieldwork
Our annual fieldwork issue takes you from volcanoes in the Canaries to databases in the cloud.
Posted inEditors' Highlights
Coupled Isotopes Reveal Sedimentary Sources of Rare Metal Granites
Using coupled isotopes, a new study shows that a class of economically important granites are derived by sediment melting without mantle input.
Posted inEditors' Vox
Inside Volcanic Clouds: Where Tephra Goes and Why It Matters
Monitoring and forecasting the movement of volcanic clouds is key to mitigating the impacts on communities, infrastructure, and air traffic.
Posted inNews
Mini Dunes Form When Sand Stops Bouncing
Decoding how sand grains move and accumulate on Earth can also help scientists understand dune formation on Mars.