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Scientific Discipline Geology & Geophysics

Planetary Sciences
The Robert C. Byrd Green Bank Telescope at the Green Bank Observatory in West Virginia

News 12 February 2021

Podcast: A Modern Way to Look for Aliens

The search for extraterrestrial intelligence is undergoing a 21st century transformation. The field is poised to lead the way as an example of interdisciplinary research and inclusive science.
Read More »
Geology & Geophysics
Map view of the topography of Central America and surrounding ocean basins

Research Spotlight 12 February 2021

Subduction May Recycle Less Water Than Thought

A new analysis of seismic data from the Middle America Trench suggests that previous calculations have vastly overestimated the total amount of water transported to the mantle worldwide.
Read More »
Geology & Geophysics
Plot showing aftershocks triggered by the 1992 Landers earthquake in California and Coulomb stress changes

Editors' Highlights 12 February 2021

The Failure of Physics-Based Earthquake Forecasting Models

Spatial clustering of aftershocks explains why simple statistical models often outperform complex physics‐based earthquake forecasting models even if the physical mechanisms are correctly modeled.
Read More »
Geochemistry, Mineralogy, Volcanology
View looking down an underground tunnel with various gauges and water sampling equipment visible

Research Spotlight 10 February 2021

Earthquakes Can Acidify Groundwater

Fracturing during microearthquakes can cause groundwater pH drops. The change is temporary but can be equivalent to the difference between water and vinegar.
Read More »
Geology & Geophysics
Equipment belonging to the Case Western Reserve University amateur radio club

Feature 9 February 2021

Ham Radio Forms a Planet-Sized Space Weather Sensor Network

For researchers who monitor the effects of solar activity on Earth’s atmosphere, telecommunications, and electrical utilities, amateur radio signals a golden age of crowdsourced science.
Read More »
Planetary Sciences
Image of the southern part of the Orientale Basin with yellow patches indicating boulders fields

Editors' Highlights 8 February 2021

The Tumbling Boulders of Orientale Basin

Mapping boulder fields and boulder tracks highlights the seismic hazard still present on the Moon.
Read More »
Geology & Geophysics
A rocky hillside in Antarctica with snow-covered Mount Erebus in the background

Research Spotlight 3 February 2021

Antarctic Lava Yields Clues to Earth’s Past Magnetic Field

A new analysis suggests that a widely accepted approximation of ancient magnetic field strength may be less accurate for the past 5 million years than previously thought.
Read More »
Geology & Geophysics
2020 AGU Honors: Shaping the Future of Science

AGU News 2 February 2021

Congratulations to the 2020 Class of Fellows

These individuals were recognized via video and on social media during Fall Meeting 2020.
Read More »
Geohealth
Researchers walk atop the banks of an ancient canal in the Kazakh desert.

News 28 January 2021

Drought, Not War, Felled Some Ancient Asian Civilizations

Radiocarbon dating, luminescent sand grains, and climate records point to drought as the reason for the civilizations’ demise.
Read More »

1 Comment

Geochemistry, Mineralogy, Volcanology
Aerial view of the Olkaria 4 power plant in Kenya’s Olkaria geothermal field

Science Update 28 January 2021

Geoscientific Monitoring of Olkaria’s Geothermal Motor

In situ geophysical measurements from Kenya’s Olkaria geothermal field, integrated with remote sensing and meteorological data, shed light on subsurface energy transport to and from the surface.
Read More »
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Atmospheric Sciences

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