An uncommon way of looking at the world reveals the evolution of a deep gravity hole beneath Antarctica.
geodesy
Posted inEditors' Highlights
Where the Tianshan Will Break Next: Strain, Slip, and Seismic Hazard
Geodetic strain and slip deficits reveal where the Tianshan is storing stress and which faults may generate the next major earthquakes in the region.
Posted inEditors' Highlights
Complex Plumbing Dynamics for Kīlauea Volcano
A new analysis of subtle seismic velocity changes provides insights into the coupling of magma reservoirs of Hawaiian volcanoes.
Posted inNews
Bridging Old and New Gravity Data Adds 10 Years to Sea Level Record
The remarkable agreement between the two techniques shows how scientists can bolster state-of-the-art gravimetry instruments with old-guard altimetry satellites.
Posted inNews
Parts of New Orleans Are Sinking
Areas near the airport, along floodwalls, and in nearby wetlands are subsiding because of a combination of natural and anthropogenic forces.
Posted inEditors' Highlights
Mapping the Whereabouts of Continents
A new method integrates Interferometric Synthetic Aperture Radar (InSAR) with conventional ground geodetic networks, taking us closer to high-resolution mapping of plate motions.
Posted inNews
33.8 Million People in the United States Live on Sinking Land
The most populated cities in the country are slowly subsiding, posing risks to infrastructure and exacerbating flooding—and not just on the coasts.
Posted inEditors' Highlights
Observing Magma-Induced Seismic Velocity Changes with Fiber-Optics
A new high-resolution method for tracking volcanic activity utilizes fiber-optic sensing to detect magma intrusion by measuring seismic velocity changes.
Posted inNews
Greenland Ice Sheet Stores Hidden Water Throughout the Melt Season
A new method uses stations around Greenland’s coast to measure how much meltwater weighs down the bedrock beneath the ice, improving our understanding of its contribution to sea level rise.
Posted inNews
California Storms Recharged Watersheds, Geodesy Data Reveal
The atmospheric rivers that soaked the state in early 2023 released enough water to warp the ground and douse a deep drought.