Seismic anisotropy changes through time suggest that cyclical opening of fluid-filled fractures is synchronized with subduction zone slow slip events.
anisotropy
Posted inEditors' Vox
Seismology Helps Us Understand How Material Flows in Earth’s Deepest Mantle
Recent progress in the analysis of seismic waves enables us to determine where, and sometimes how, the base of the mantle deforms.
Posted inEditors' Highlights
Hydraulic Fractures Are Lazy
The layering of rock masses can help constrain and focus the growth of hydraulic fractures.
Posted inEditors' Highlights
Illuminating the Complex Structural Fabric Beneath the European Alps
A new study investigates the dynamics of the complex continental collision that formed the European Alps and reveals how structural alignments change with depth.
Posted inResearch Spotlights
Small-Scale Convection Shuffles the Oceanic Lithosphere
Seafloor spreading organized lithospheric minerals into a lattice, but small-scale convection jumbled up the innermost layer.
Posted inEditors' Highlights
A Step Towards Understanding the Magnetic Properties in Hematite
Scientists present the most comprehensive available magnetic domain state and anisotropy study for synthetic and natural hematite from first-order reversal curve diagrams.
![Figure 2 from Wang and Tkalčić [2021]](https://i0.wp.com/eos.org/wp-content/uploads/2022/01/2021GL094784-Figure-2-sized-1200x675-1.png?resize=1200%2C675&ssl=1)
Posted inEditors' Highlights
Observation of Shear Wave Anisotropy in the Earth’s Inner Core
Coda-correlation wavefields reveal direction-dependent inner-core shear-wave speed, ~5 s faster in directions oblique to the Earth’s rotation axis than directions parallel to the equatorial plane.
Posted inResearch Spotlights
Improving Weather Simulations Through Increased Generality
By adding support for spatially variable velocity fields and anisotropy, the CoSMoS simulation package can more accurately reproduce physical phenomena.
Posted inEditors' Highlights
Hunting the Source of Deccan Traps Volcanism Using Seismic Waves
Seismic velocity patterns beneath the Deccan Traps region in western India reveal its volcanic history.
Posted inEditors' Highlights
Fault Related Anisotropy in the Hikurangi Subduction Zone
A new study provides the first high-resolution three-dimensional anisotropic P-wave velocity model of the shallow part of the Northern Hikurangi subduction zone offshore New Zealand.