Adjoint tomography employing 3D wavefield simulations for 72 well recorded regional earthquakes in the western U.S. yields spectacular improvements to waveform fits.
seismology
Posted inNews
Volcanic Lava Lake Belts Out Its Secrets in Seismic “Songs”
A cacophony of magma displacements and volcanic gases recorded underneath Kīlauea’s roiling lake of lava could one day provide information to help predict future eruptions.
Posted inResearch Spotlights
Constraining Martian Crustal Thickness with InSight Seismology
The first seismic observations from Mars significantly reduce uncertainty in estimates of the Red Planet’s crustal structure.
Posted inAGU News
Adventure Time
In our July issue, we tell the tales of Earth and space scientists as they venture into the field and lab to gather critical data.
Posted inNews
Unlocking the Magmatic Secrets of Antarctica’s Mount Erebus
Unprecedented images of Mount Erebus’s inner workings show the unique trappings of a CO2-rich rift volcano.
Posted inEditors' Vox
The Big Data Revolution Unlocks New Opportunities for Seismology
The field of seismology is entering a new era where our understanding of earthquakes and the solid earth is increasingly driven by new Big Data experiments and algorithms.
Posted inScience Updates
“Landslide Graveyard” Holds Clues to Long-Term Tsunami Trends
A new project looks to unearth information about and learn from ancient underwater landslides buried deep beneath the seafloor to support New Zealand’s resilience to natural hazards.
Posted inEditors' Highlights
Probabilistic Tomography Delivers Answers to Basic Questions
Fundamental questions on subsurface properties are robustly addressed through probabilistic assessment of multiple forward/inverse modelling formalisms using interrogation theory.
Posted inFeatures
Is Earth’s Core Rusting?
If subduction carries hydrous minerals deep into Earth’s mantle, they may “rust” the iron outer core, forming vast sinks of oxygen that can later be returned to the atmosphere.
Posted inEditors' Highlights
Adjoint Tomography Illuminates Hikurangi Margin Complexity
Waveform inversion of regional earthquakes reveals velocity anomalies interpreted as subducting seamounts that control an enigmatic segmentation in plate coupling along the Hikurangi margin.