A prototype ShakeAlert early warning system approaches alert-ready status as the administration issues an executive order on federal earthquake standards.
Geological
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
The Backwards Earthquakes
Earthquakes in Idaho's panhandle are usually caused by the Earth's crust pulling apart. So why were earthquakes on 24 April pushing the crust together?
Posted inNews
Weak Shaking Lessened Nepal Earthquake Impact
Modest ground motion for such a big quake and some prior training in earthquake preparedness averted worse death and destruction, earthquake scientists say.
Posted inNews
New Commission Aims to Protect Volcanic Geoheritage
Volcanic landscapes and regions provide valuable opportunities for scientific research, education, and sustainable geotourism, in addition to iconic scenery.
Posted inNews
Reducing Earthquake Risk in Nepal
What specific approaches work well to protect people from earthquake hazards in Nepal? Hazard mitigation expert Brian Tucker shares his insight.
Posted inNews
What Can We Learn About Disaster Preparedness from Nepal's Quake?
In an interview with Eos, hazard mitigation expert Brian Tucker gives his views on disaster preparedness in the wake of the recent earthquake in Nepal.
Posted inNews
Scientists Hope to Learn Lessons from Nepal Earthquake
The 25 April earthquake in Nepal has caused thousands of fatalities. Scientists hope it can lead to a better understanding of the region's seismicity and better earthquake resilience.
Posted inResearch Spotlights
Ancient Earthquakes Made an Island Rise and Fall
Observations track elevation changes of an island in the Kodiak Archipelago to past ruptures of the Alaska-Aleutian megathrust fault.