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New research suggests that monitoring changes in gravity near active volcanoes can reveal activity otherwise overlooked.
Posted inResearch Spotlights

The Gravity of Volcanic Eruptions

by W. Yan 27 September 201628 October 2021

New research suggests that continually monitoring gravity changes near active volcanoes could provide insights into volcanic activity.

Cliffs of 1.1-billion-year-old volcanic rocks from the Midcontinent rift in Tettegouche State Park, Minnesota tower above the brilliant blue waters of Lake Superior.
Posted inFeatures

New Insights into North America’s Midcontinent Rift

by S. Stein, C. Stein, J. Kley, R. Keller, M. Merino, E. Wolin, D. Wiens, Michael Wysession, G. Al-Equabi, W. Shen, A. Frederiksen, F. Darbyshire, D. Jurdy, Gregory Waite, W. Rose, E. Vye, T. Rooney, R. Moucha and E. Brown 4 August 20161 December 2022

The Midcontinent Rift has characteristics of a large igneous province, causing geologists to rethink some long-standing assumptions about how this giant feature formed.

Posted inScience Updates

Multicolor Terrain Mapping Documents Critical Environments

by J. C. Fernandez-Diaz, W. E. Carter, R. Shrestha and C. L. Glennie 14 June 20161 November 2021

The Titan airborne topographic laser system takes spatial and spectral data at three wavelengths at once, mapping threats from climate change and ecological disasters in regions with complex terrain.

Posted inResearch Spotlights

Antarctica Gets a New Gravity Map

by Sarah Stanley 18 March 201628 October 2021

A comprehensive collection of variation in Earth's gravity could aid studies of the Antarctic geoid and of Antarctica's geology and ice sheet dynamics.

Posted inResearch Spotlights

New Methods Measure How Vertical Land Motion Affects Sea Level

by L. Strelich 23 February 20161 November 2021

Researchers demonstrate the value of combining GPS and satellite data on vertical motion of the Earth's surface with tide gauge measurements to track rising sea levels.

Posted inResearch Spotlights

Radar Technique Shows Magma Flow in 2014 Cape Verde Eruption

by Sarah Stanley 1 February 20161 November 2021

The European Space Agency's Sentinel-1 satellite captures volcanic surface changes that reveal the flow below.

Posted inResearch Spotlights

Aftershocks of Old Quakes Still Shake New Madrid Seismic Zone

by L. Strelich 24 November 201518 October 2022

Geodetic data show that earthquakes in 1450 and 1811–1812 may be responsible for present-day seismic activity in the region.

Posted inResearch Spotlights

Subsurface Craters Expose the Moon's Dramatic Past

by L. Strelich 22 October 201528 October 2021

Scientists use the gravity signature of the lunar surface to trace the history of impact cratering and its role in the Moon's evolution.

Posted inScience Updates

On the Rebound: Modeling Earth's Ever-Changing Shape

by D. Melini, P. Gegout, M. King, B. Marzeion and G. Spada 4 August 201528 October 2021

A new modeling tool easily computes the elastic response of changes in loading on Earth's surface to high resolution. Scientists test this tool using finely detailed data on glaciers' mass changes.

Posted inResearch Spotlights

How Did the Moon Get Its Shape?

by C. Minnehan 23 June 201528 October 2021

Scientists find a solution to a 200-year-old problem: syncing the prominent bulges on the Moon with our natural satellite's origins.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
JGR: Solid Earth
“New Tectonic Plate Model Could Improve Earthquake Risk Assessment”
By Morgan Rehnberg

EDITORS' HIGHLIGHTS
AGU Advances
“Eminently Complex – Climate Science and the 2021 Nobel Prize”
By Ana Barros

EDITORS' VOX
Perspectives of Earth and Space Scientists
“New Directions for Perspectives of Earth and Space Scientists”
By Michael Wysession


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