The source for the isotopically-enriched Hawaiian magmas contains peridotites that experienced near-surface melting prior incorporation in the plume.
AGU Advances
Posted inResearch Spotlights
What Is Causing the Missouri River Basin’s Elevated Streamflow?
Regional climate variability plays a big role, but reduced forest cover and a rise in atmospheric carbon dioxide are also factors.
Posted inEditors' Highlights
How (Slow) Earthquakes Get Going
Non-volcanic tremor ramp up precedes slow slip in Cascadia by about a day, indicating that brittle-creeping process interactions control nucleation.
Posted inEditors' Highlights
Ionospheric Changes Following the Geomagnetic Storm of May 2024
A new study finds that unique ionospheric changes occurred in the upper atmosphere in response to the May 2024 geomagnetic superstorm.
Posted inEditors' Highlights
Prediction of Equatorial Plasma Bubbles for Navigation and Communication
Scientists demonstrate a new technique to predict the formation of equatorial plasma bubbles, a crucial space weather phenomenon affecting satellite-based communication and navigation systems.
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 inResearch Spotlights
How Rivers Carved the Canyons of the Central Colorado Plateau
A new study offers insights into a puzzling piece of the geological history of the Grand Canyon and surrounding regions.
Posted inEditors' Highlights
Tropical Congestus Clouds Explained by Water Vapor Spectroscopy
A new study demonstrates how the abundance of congestus clouds in the tropics can be explained by the water molecule’s discerning appetite for infrared radiation.
Posted inResearch Spotlights
A Warming Climate Is Shifting Eurasian Drought Conditions
Researchers use tree ring records to help reconstruct hydroclimate patterns and isolate drivers of drought.
Posted inEditors' Highlights
Skewed Subduction Shear Zones
A global reanalysis of both short- and long-term deformation clarifies how obliquity affects strain partitioning in convergent plate boundaries.