Scientists studying South Pacific earthquakes suggest that an ultralow-velocity zone at the core-mantle boundary may be a remnant of a molten early Earth.
geophysics
Posted inScience Updates
Sensing Iceland’s Most Active Volcano with a “Buried Hair”
Distributed acoustic sensing offered researchers a means to measure ground deformation from atop ice-clad Grímsvötn volcano with unprecedented spatial and temporal resolutions.
Posted inFeatures
Lasers and Ultracold Atoms for a Changing Earth
Applying new technology rooted in quantum mechanics and relativity to terrestrial and space geodesy will sharpen our understanding of how the planet responds to natural and human-induced changes.
Posted inNews
A Monsoon-Filled Reservoir Might Have Nudged a Fault to Fail
New research examines whether a sudden increase in water loading in Pakistan’s Mangla Dam might have been connected to the 2019 New Mirpur earthquake.
Posted inOpinions
Geoscientists Can Help Reduce the Threat of Nuclear Weapons
A nuclear war would claim many lives from its direct impacts and cause rapid climate change that would further imperil humanity. Scientists can help shape policies to put us on a safer path.
Posted inResearch Spotlights
Improving Coseismic Slip Measurements
A physics-based method estimates the duration of earthquakes’ coseismic phase and can help improve the precision of coseismic slip models and magnitude estimates.
Posted inEditors' Highlights
Order in Turbulence
Extracting order from turbulence is difficult, even under the most idealized conditions. A new scaling theory quantifies how eddies influence temperature gradients in geophysical turbulence.
Posted inEditors' Vox
When Deep Learning Meets Geophysics
Traditional physical models are no longer the only foundational tools for processing geophysical data; “big data” help to reveal the laws of geophysics from new angles with exciting results so far.
Posted inEditors' Highlights
Reconstructing Rocks with Machine Learning
Machine learning can be used to accurately reconstruct high-resolution, 3D images of rocks from 2D cross-sections, which opens the door to more detailed simulations.
Posted inNews
Vestiges of a Volcanic Arc Hidden Within Chicxulub Crater
Scientists discovered magmatic remnants of a volcanic arc by dating granitic rocks of the middle crust excavated by, and hidden within, the Chicxulub impact crater.