Volcanic eruptions aren't all bad—in some cases, they can lower the frequency of tropical cyclones in the North Atlantic by emitting sulfate aerosols.
volcanoes
Posted inResearch Spotlights
Can We Predict How Volcanic Ash Disperses After an Eruption?
Researchers investigate what factors influence how particles from a plume spread following a volcanic eruption.
Posted inResearch Spotlights
Massive Carbon Dioxide Stores Beneath Mammoth Mountain
Gas in rocky pores beneath the surface of California's Mammoth Mountain could fuel dangerous carbon dioxide emissions for the next 28 to 1100 years.
Posted inResearch Spotlights
Radar Technique Shows Magma Flow in 2014 Cape Verde Eruption
The European Space Agency's Sentinel-1 satellite captures volcanic surface changes that reveal the flow below.
Posted inNews
Scientists Discover a New Source of Atmospheric Carbon Dioxide
In an African region where continental crust is pulling apart and fracturing—the East African Rift zone—the area's many faults are slowly releasing a large amount of carbon dioxide.
Posted inResearch Spotlights
Forecasting Eruptions at Restless Calderas
Scientists review decades of data on swarms of earthquakes, surface deformation, degassing, and microgravity changes around calderas to determine when such forms of unrest may result in eruptions.
Posted inResearch Spotlights
Hawaii’s Swelling Lava Lake Charts a Volcano’s Hidden Plumbing
Geophysicists used unique seismic signatures to track the cyclic rise and fall of lava inside Hawai'i Volcanoes National Park's Overlook crater.
Posted inScience Updates
Team Gets Firsthand Look at the New Holuhraun Eruption Site
Iceland 2015: Field Workshop on Active Lava–Water Interactions; Holuhraun, Iceland, 20–28 August 2015
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 inNews
Jupiter's Europa Helps Earthlings See Sister Moon's Volcano
By briefly slipping between Earth and sister Jovian moon Io, Europa fortuitously enabled an Earth-based telescope to observe, with greater detail than ever before, a huge, puzzling volcano on Io.