A new study goes deep into the Gulf of Alaska to examine the sixth-largest underwater landslide and investigate why a similar event hasn’t happened since.
seismology
Posted inENGAGE, News
Swift Quakes Caused by Stomping Feet, Not Booming Beat
Concert tunes don’t make the same seismic noise as the exuberant crowd does.
Posted inNews
Earthquakes Can Trigger Megathrust Slip in Cascadia
A 2022 earthquake in Northern California may have triggered slow slip in the Cascadia Subduction Zone, according to a new study.
Posted inENGAGE, News
Fiber-Optic Networks Could Reveal the Moon’s Inner Structure
Distributed acoustic sensing offers a cost-effective alternative to traditional seismic arrays, and building such a network on the Moon might be possible.
Posted inEditors' Highlights
Forecasting Earthquake Ruptures from Slow Slip Evolution
A new generation of physics-based models that integrate temporal slip evolution over decades to seconds opens new possibilities for understanding how large subduction zone earthquakes occur.
Posted inENGAGE, News
No Canadian Volcanoes Meet Monitoring Standards
A new analysis reveals serious monitoring gaps at even the highest-threat volcanoes.
Posted inNews
Scientists Gain a New Tool to Listen for Nuclear Explosions
Mathematics and computer modeling help scientists tell natural earthquakes from nuclear tests.
Posted inEditors' Highlights
How Earthquakes Grow from a Tiny Fracture to a Catastrophic Event
State-of-art numerical simulations illustrate how a small-scale shear instability can become a giant earthquake in a manner that is consistent with seismological observation.
Posted inScience Updates
Submarine Avalanche Deposits Hold Clues to Past Earthquakes
Scientists are making progress on illuminating how undersea sedimentary deposits called turbidites form and on reconstructing the complex histories they record. But it’s not an easy task.
Posted inEditors' Highlights
A Strong Pacific Plate Bends Under the Hawaiian Volcanic Chain
Two seismic studies reveal the volcanic loads and resulting flexure of the Pacific plate at the Hawaiian Ridge and, surprisingly, show no magmatic underplating.