Dating of cosmogenic chlorine isotopes yields long-term estimates of fault activity in Italy, showing that periods of earthquakes and quiescence alternate over millennia.
faults
Posted inResearch Spotlights
Türkiye-Syria Temblors Reveal Missing Piece in Earthquake Physics
Newly discovered aseismic events triggered by the 2023 Kahramanmaraş earthquake may represent a mode of fault slip between earthquakes and slow-slip events that researchers have long been seeking.
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.