Enormous provinces of superheated mantle exert a powerful influence over our planet’s magnetic field, researchers have discovered.
Earth's mantle
Posted inNews
Scientists Create the First Map of Deep Earthquakes Beneath Continents
Scientists once thought Earth’s continental mantle was too weak for earthquakes. A new global map of 459 deep tremors suggests otherwise.
Posted inEditors' Highlights
Kyanite Exsolution Reveals Ultra-Deep Subduction of Continents
Laboratory experiments provide the first experimental evidence that continental rocks can be subducted to depths greater than 300 kilometers and return to the surface.
Posted inEditors' Highlights
From Mantle Flow to River Flow: Shaping Earth’s Surface from Within
The convection of the Earth’s mantle shapes its surface, carving fault networks into the lithosphere that can guide the course of rivers.
Posted inResearch Spotlights
Seismic Anisotropy Reveals Deep-Mantle Dynamics
A new study offers insight into the viscous BLOBs at the base of Earth’s mantle.
Posted inResearch Spotlights
New 3D Model Reveals Geophysical Structures Beneath Britain
Using magnetotelluric data to identify subsurface electrically conductive and resistive areas, scientists can identify underground features and predict how space weather may affect infrastructure.
Posted inNews
Blame It on the BLOBs
For decades, scientists have suspected that large volcanic eruptions have their origins in two mysterious massive regions at the base of our planet’s mantle. Now, it’s been statistically proven.
Posted inResearch Spotlights
Finding the Gap: Seismology Offers Slab Window Insights
Studying slow tremors has helped researchers home in on the youngest part of the Chile Triple Junction’s gap between subducting plates, which offers a window to the mantle.
Posted inEditors' Highlights
300 Million Years of Polar Wander: Slowly but Surely
A reanalysis of paleomagnetic poles provides tighter bounds on the style and rate of motions of our whole planet with respect to its rotation axis.
Posted inScience Updates
The Deep Frontier of Mantle Magma Supply
Compared with crustal magma systems, little is known about the deep sources of volcanic supply chains. Interdisciplinary efforts can help answer key questions about how magma migrates from the mantle.