For decades, scientists have probed Earth's remote mantle by analyzing how seismic waves of distant earthquakes pass through it. But we are still challenged by the technique's limitations.
Earth’s interior
Posted inAGU News
Schaeffer Receives 2014 Study of the Earth's Deep Interior Focus Group Graduate Research Award
Andrew Schaeffer received the 2014 Study of the Earth's Deep Interior Focus Group Graduate Research Award at the 2014 American Geophysical Union Fall Meeting, held 15–19 December in San Francisco, Calif.
Posted inResearch Spotlights
Dry Minerals in the Lower Mantle
Laboratory-made perovskite helps explain how water is distributed inside the Earth.
Posted inResearch Spotlights
A Modified Technique to Remotely Detect Subsurface Melt
Adapting a much-used analytical method to consider anisotropy opens up the approach to new uses.
Posted inAGU News
Thorne Lay Receives 2014 Inge Lehmann Medal
Thorne Lay was awarded the 2014 Inge Lehmann Medal at the AGU Fall Meeting Honors Ceremony, held on 17 December 2014 in San Francisco, Calif. The medal is for “outstanding contributions to the understanding of the structure, composition, and dynamics of the Earth’s mantle and core.”
Posted inResearch Spotlights
Mantle Below North American Plate Newly Modeled
Data from seismometers spread out across the United States give new clues to the location of structures in the underlying mantle.
Posted inNews
Research Shines Light on Asthenosphere's Contribution to Hot Spots
What role does the asthenosphere play in midplate volcanism?
Posted inResearch Spotlights
From Magnetic Field Data, the Flow of Earth’s Core
How can researchers understand what happens at the center of the Earth when it can’t be measured directly?
Posted inResearch Spotlights
What Happens to Minerals as They Get Squeezed in the Mantle?
Researchers test how different minerals found in the Earth’s mantle respond to high temperatures and pressures.
Posted inResearch Spotlights
Pyroxenes Can Be Used to Estimate Upper Mantle Water Content
Scientists suggest using the mineral pyroxene to study the water content of the Earth’s upper mantle.