Free surface reflection and fault geometric asperities can excite backward propagation in the form of an interface wave or high-order re-rupture.
faults
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.
Posted inNews
Creeping Faults May Have Simpler Geometries
A recent study offers an alternative perspective on why some fault segments slide smoothly, whereas others get stuck and produce earthquakes.
Posted inEditors' Highlights
Structural Inversion of an Intracratonic Rift System in Deep Time
A new study reconstructs how an ancient North American rift system was uplifted in space and time due to subsequent continent-continent collision.
Posted inResearch Spotlights
En una rara oportunidad, investigadores observan la formación de los valles islandeses
Durante el período previo a las recientes erupciones volcánicas cerca de la ciudad de Grindavík, científicos documentaron la formación de grabens en tiempo real.
Posted inEditors' Vox
Operational Earthquake Forecasting – What Is It and How Is It Done?
While earthquakes cannot be deterministically predicted, operational earthquake forecasting systems can provide valuable insights into the likelihood of future quakes.
Posted inResearch Spotlights
In Rare Opportunity, Researchers Observe Formation of Icelandic Valleys
During the lead-up to recent volcanic eruptions near the city of Grindavík, scientists documented graben formation in real time.
Posted inEditors' Highlights
New Moonquakes from Old Data
Almost 50 years after they were turned off, the Apollo seismometers still have secrets to reveal.
Posted inResearch Spotlights
Imaging Below the Surface Reveals One of Los Angeles’s Webs of Faults
Damage zones extend to either side of many faults and can affect how future earthquakes behave.