Researchers investigate what factors influence how particles from a plume spread following a volcanic eruption.
Hazards & Disasters
Posted inResearch Spotlights
Tracking Radioactive Cesium Released During Fukushima Disaster
Scientists probe the Pacific to determine how far the damage from one of the largest nuclear meltdowns in history extends.
Posted inNews
White House Showcases Earthquake Alerts, Federal Quake Readiness
A prototype ShakeAlert early warning system approaches alert-ready status as the administration issues an executive order on federal earthquake standards.
Posted inResearch Spotlights
Solar Storms Are More Predictable Than Hurricanes
An encouraging new study finds that solar storms don't propagate chaotically like hurricanes—their arrivals are more predictable, which should make it easier for our planet to prepare for them.
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 inResearch Spotlights
New Space Weather Forecast Technique Fails to Improve Forecasts
For years, scientists have proposed upgrading the National Oceanic and Atmospheric Administration's solar storm forecasts to account for their tilt as they streak toward Earth. But does it help?
Posted inResearch Spotlights
New Model Predicts Big Solar Proton Storms
Forecasts of dangerous solar events could buy time for astronauts en route to the Moon or Mars.
Posted inNews
What Makes the Ground Suddenly Pop?
A geological feature in Michigan’s wooded Upper Peninsula has scientists scratching their heads.
Posted inResearch Spotlights
Space Weather Gains National and International Attention
A heightened understanding of geomagnetic disturbances in a high-tech world encourages policy changes in the United States and abroad.
Posted inResearch Spotlights
Can Meteorite Impacts Disturb a Planet's Magnetic Field?
Such disturbances probably do not occur on our own planet, but evidence for them might still exist elsewhere in the solar system.