![Figure 4 from paper by Preuss et al. [2019]](https://i0.wp.com/eos.org/wp-content/uploads/2019/09/2019JB017324-Figure-4-sized.png?resize=820%2C615&ssl=1)
Numerical simulations of earthquake cycle deformation reveal that co-seismic and interseismic fault propagation can produce distinct propagation angles that may be recorded in the crust.
earthquakes
Posted inResearch Spotlights
Distant Quake Triggered Slow Slip on Southern San Andreas
A high-resolution map of surface displacements indicates that the 2017 Chiapas earthquake caused substantial creep along a segment of the San Andreas Fault, located 3,000 kilometers away.
Posted inNews
Nuclear Bomb or Earthquake? Explosions Reveal the Differences
A series of controlled chemical detonations in the Nevada desert is helping researchers discern between ground shaking caused by nuclear explosions and earthquakes.
Posted inNews
Wind-Triggered Ground Shaking Masks Microseismicity
Ground motion caused by gusts of wind can drown out signals from the smallest earthquakes, potentially confusing earthquake detection algorithms.
Posted inNews
Sinking Wastewater Triggers Deeper, Stronger Earthquakes
The effects of pumping wastewater from oil and gas extractions may last a decade or more after the injections stop.
Posted inEditors' Highlights
Groundwater Drawn Downward After Kumamoto Quake
A unique set of high-frequency groundwater level monitoring reveals a loss of approximately ten million cubic meters of groundwater after a major earthquake.
Posted inNews
Earthquakes Shake Up Groundwater Systems
Increased permeability temporarily boosts water flow.
Posted inNews
How Satellite Data Improve Earthquake Monitoring
Case studies from around the world illustrate the power of geodetic data in earthquake monitoring.
Posted inScience Updates
Addressing Cascadia Subduction Zone Great Earthquake Recurrence
USGS Powell Center Cascadia Earthquake Hazards Working Group; Fort Collins, Colorado, 25–29 March 2019
Posted inEditors' Vox
Cascading Down the Mountain
Earthquakes in mountain ranges produce a cascade of geological disturbances and hazards, from enormous landslides to climate change.