![Figure 4 from paper by Preuss et al. [2019]](https://i0.wp.com/newspack-dev.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 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' Highlights
Shallow Low Frequency Tremors in Japan Trench
A new seafloor seismic network detected low-frequency tremor on the subduction zone interface offshore northern Japan, indicating regions of slow slip in close proximity to shallow megathrust events.
Posted inNews
Afghanistan’s Blob Hunters
How a first-of-its-kind team of Afghan scientists and engineers helped make a monolithic discovery.
Posted inNews
More Than 30,000 Earthquakes Trace the Movement of Magma
Seismometers near Iceland’s Bárðarbunga volcanic system pinpointed thousands of earthquakes in 2014–2015, revealing where molten rock was moving underground before any eruptions occurred.
Posted inNews
The Blob Causing Earthquakes
Geophysicists discover that a “blob” of rock sinking into the mantle is the force triggering earthquakes in the Hindu Kush.