Estimates of crystallization temperatures from four eruptions in northern Iceland offer improved constraints on the mantle's temperature beneath this anomalous divergent plate boundary.
volcanoes
Posted inScience Updates
How Did Climate and Humans Respond to Past Volcanic Eruptions?
First workshop of the Volcanic Impacts on Climate and Society Working Group; Palisades, New York, 6–8 June 2016
Posted inAGU News
Gazel Receives 2016 Hisashi Kuno Award
Esteban Gazel will receive the Hisashi Kuno Award at the 2016 American Geophysical Union Fall Meeting, to be held 12–16 December in San Francisco, Calif. The award recognizes "accomplishments of junior scientists who make outstanding contributions to the fields of volcanology, geochemistry, and petrology."
Posted inResearch Spotlights
Volcanic Ash Contributes to Climate Cooling
A new study shows that atmospheric ash reflects solar radiation months after volcanic eruptions.
Posted inResearch Spotlights
Mapping Water and Heat Deep Under Long Valley Caldera
Researchers use electrical resistivity to find the heat source and reservoir feeding Long Valley Caldera's labyrinthine hydrothermal system.
Posted inResearch Spotlights
The Gravity of Volcanic Eruptions
New research suggests that continually monitoring gravity changes near active volcanoes could provide insights into volcanic activity.
Posted inOpinions
We Need a New Definition for “Magma”
Confusion over the meaning of "magma" can generate popular misperceptions, including a nonexistent molten sea underneath Yellowstone National Park. We propose a different definition.
Posted inScience Updates
Probing the History of New Zealand's Orakei Maar
A team of scientists drilled into the bed within a northern New Zealand explosion crater lake to gain insights into volcanic hazards and past climates.
Posted inEditors' Vox
Volcanic Java and Climate Change
An account of a geophysicist's recent trip to Indonesia wouldn't be complete without intrigue and elucidations about what Java, climate change, and Butch Cassidy all have in common.
Posted inResearch Spotlights
Does Water Vapor from Volcanic Eruptions Cause Climate Warming?
By studying past volcanic eruptions, scientists find that the amount of water vapor reaching the stratosphere during moderately explosive eruptions may not be contributing to the greenhouse effect.