新书探讨了安装在井孔中的光纤电缆如何监测地震活动、流体流动、地下温度等。
faults
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
Skewed Subduction Shear Zones
A global reanalysis of both short- and long-term deformation clarifies how obliquity affects strain partitioning in convergent plate boundaries.
Posted inEditors' Highlights
Slow But Powerful Fault Slip Can Simply Arise from Fluid Flow
Cyclic changes of fluid pressure in fault zones can induce slow-slip events that advance in the direction of fluid flow, even when the faults are stable.
Posted inResearch Spotlights
Modeling the Long and Short of Subduction Zones
A new subduction model could reveal important insights about megathrust earthquakes.
Posted inEditors' Vox
Listening to Earth’s Subsurface with Distributed Acoustic Sensing
A new book examines how fiber-optic cables installed in boreholes can monitor seismic activity, fluid flow, subsurface temperatures, and more.
Posted inEditors' Vox
Guidelines for Managing Induced Seismicity Risks
Consolidating state-of-the-art science into guidelines provides a path forward for managing induced seismicity risks and highlights avenues for future research.
Posted inEditors' Highlights
Rewinding the Fault: Stress Perturbations Promote Back-Propagating Ruptures
Free surface reflection and fault geometric asperities can excite backward propagation in the form of an interface wave or high-order re-rupture.
Posted inEditors' Highlights
Past Fracture Damage Can Inhibit Earthquake Slip
Around the surface rupture of the 2008 Wenchuan earthquake, a new study documents an anti-correlation between pre-existing fracture damage and earthquake slip – implying that damage inhibited slip.
Posted inEditors' Highlights
Diverse Seismic Response in Hectometer-Scale Fracture System
An underground experiment with multi-stage stimulations reveals diverse seismic responses within a complex hectometer-scale fracture network, shedding light on induced seismicity behaviors at field scale.