A seismically quiet part of the Aleutian Subduction Zone may have caused tsunamis in the past—and may cause future tsunamis that could travel across the Pacific Ocean.
faults
Posted inResearch Spotlights
Characterizing the Fault Beneath the Marmara Sea
Researchers mine seismic wave data to elucidate the stress relief system of the Main Marmara Fault beneath Turkey's inland sea.
Posted inResearch Spotlights
Alaska's Semidi Segment Could Unleash a Devastating Tsunami
Study reveals structures along the Alaskan convergent margin capable of generating a powerful tsunami directed toward the United States's West Coast.
Posted inNews
Subtle Seismic Movements May Help Forecast Large Earthquakes
Where a plate of Earth's crust slides under another and when frequent episodes of plate slippage occur without noticeable earthquakes, large temblors will more likely strike, a new study finds.
Posted inResearch Spotlights
Oklahoma's Dormant Faults Hide Huge Seismic Risk Potential
Researchers look at induced seismicity data in Oklahoma to spot an increase of stress in faults that could cause even more damage than recent quakes.
Posted inNews
Active Mud Volcano Field Discovered off Southeast Alaska
A cruise to study landslide potential along an earthquake-prone fault found a surprising methane plume.
Posted inResearch Spotlights
Aftershocks of Old Quakes Still Shake New Madrid Seismic Zone
Geodetic data show that earthquakes in 1450 and 1811–1812 may be responsible for present-day seismic activity in the region.
Posted inResearch Spotlights
Dating Lava Domes in California's Salton Trough
Scientists use a trio of techniques to resolve the age and duration of rhyolite volcanism of the Salton Buttes.
Posted inResearch Spotlights
Extracting New Meaning from Seismological Data
Scientists use noise data collected at the Long Beach dense array to measure elusive high-frequency surface waves.
Posted inResearch Spotlights
Cracks on Comets Most Likely Caused by Thermal Stress
Networks of cracks in the surface of 67P/Churyumov-Gerasimenko may have originated from rapid heating and cooling of the comet's surface.