• About
  • Special Reports
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • ENGAGE
    • Third Pod from the Sun
    • Eos en Español
    • Eos 简体中文版
    • Print Archive
  • Newsletter
  • Submit to Eos
  • AGU.org
  • AGU Publications
    • AGU Journals
    • Editors’ Highlights
    • Editors’ Vox
  • Career Center
  • AGU Blogs
  • Join AGU
  • Give to AGU
  • About
  • Special Reports
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • ENGAGE
    • Third Pod from the Sun
    • Eos en Español
    • Eos 简体中文版
    • Print Archive
  • Newsletter
  • Submit to Eos
Skip to content
  • AGU.org
  • AGU Publications
    • AGU Journals
    • Editors’ Highlights
    • Editors’ Vox
  • Career Center
  • AGU Blogs
  • Join AGU
  • Give to AGU
Eos

Eos

Science News by AGU

Sign Up for Newsletter
  • About
  • Special Reports
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • ENGAGE
    • Third Pod from the Sun
    • Eos en Español
    • Eos 简体中文版
    • Print Archive
  • Newsletter
  • Submit to Eos

lava & magma

A hollow lava balloon recovered from the 1998-2001 eruption near the Azores, Portugal.
Posted inNews

Balloons of Lava Bubble into the Ocean from Seafloor Blisters

by Lauren Lipuma 5 April 20174 October 2021

These peculiar features of submarine volcanic eruptions could be the result of undersea lava lakes.

Researchers work to track the fragmented magma bombs that fly through the air during an explosive eruption
Posted inResearch Spotlights

Tracking Volcanic Bombs in Three Dimensions

Leah Crane by L. Crane 13 March 20172 May 2022

A new method allows researchers to precisely track in three dimensions bits of fragmented magma as they are expelled in explosive volcanic eruptions.

Mineral layers offer a key to examine the behavior of individual magma pulses in volcanic arcs.
Posted inResearch Spotlights

Pulses of Rising Magma in Sierra Nevada's Past

by Terri Cook 3 February 20177 March 2023

A detailed study of layered igneous material at California's Fisher Lake offers a novel approach to identifying the pathways and timescales of individual magma pulses in volcanic arcs.

View of the Grand Canyon of Yellowstone National Park
Posted inNews

Pinpointing the Trigger Behind Yellowstone's Last Supereruption

by A. Woodward 4 January 201712 September 2022

Geologists suggest that mixing of magma melt pockets could have caused the explosion a little more than 600,000 years ago.

Santa Maria Island cliff
Posted inNews

Scientists Offer New Explanation for Island's Unexpected Uplift

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 17 November 20163 May 2022

Researchers developed a new timeline for the rise, fall, and rise again of a puzzling island in the Azores.

research-model-temperature-mantle-melting-pyroxenites
Posted inResearch Spotlights

A Better Model for How the Mantle Melts

Kate Wheeling, freelance science writer by Kate Wheeling 28 September 201616 May 2022

A new model of the melting behavior of certain mantle rocks gives researchers a better understanding of the source of oceanic lavas.

Lava forms ropey pāhoehoe textures. Magma fueled this lava, but what is the definition of “magma”?
Posted inOpinions

We Need a New Definition for “Magma”

by A. F. Glazner, J. M. Bartley and D. S. Coleman 22 September 20161 February 2022

Confusion over the meaning of "magma" can generate popular misperceptions, including a nonexistent molten sea underneath Yellowstone National Park. We propose a different definition.

Cliffs of 1.1-billion-year-old volcanic rocks from the Midcontinent rift in Tettegouche State Park, Minnesota tower above the brilliant blue waters of Lake Superior.
Posted inFeatures

New Insights into North America’s Midcontinent Rift

by S. Stein, C. Stein, J. Kley, R. Keller, M. Merino, E. Wolin, D. Wiens, Michael Wysession, G. Al-Equabi, W. Shen, A. Frederiksen, F. Darbyshire, D. Jurdy, Gregory Waite, W. Rose, E. Vye, T. Rooney, R. Moucha and E. Brown 4 August 20161 December 2022

The Midcontinent Rift has characteristics of a large igneous province, causing geologists to rethink some long-standing assumptions about how this giant feature formed.

Scientists track lava with steam clouds.
Posted inNews

Eyjafjallajökull Gave Lava and Ice Researchers an Eyeful

by E. Deatrick 28 June 20164 October 2021

New insights from the 2010 eruption may help volcanologists determine how glaciers shaped ancient lava flows.

The geothermal power plant of Bagnore situated at the foot of Mt. Amiata and run by Enel Green Power,
Posted inScience Updates

Does Geothermal Exploitation Trigger Earthquakes in Tuscany?

by T. Braun, T. Dahm, F. Krüger and M. Ohrnberger 31 May 201627 January 2023

For the past 25 years, power production has been accompanied by a small but steady increase in seismicity near geothermal wells. A new project seeks to explore why.

Posts navigation

Newer posts 1 … 8 9 10 11 12 Older posts

Features from AGU Journals

RESEARCH SPOTLIGHTS
Earth’s Future
“How to Build a Climate-Resilient Water Supply”
By Rachel Fritts

EDITORS' HIGHLIGHTS
AGU Advances
“How Do Atmospheric Rivers Respond to Extratropical Variability?”
By Sarah Kang

EDITORS' VOX
Reviews of Geophysics
“Rare and Revealing: Radiocarbon in Service of Paleoceanography”
By Luke C. Skinner and Edouard Bard

Eos logo at left; AGU logo at right

About Eos
ENGAGE
Awards
Contact

Advertise
Submit
Career Center
Sitemap

© 2023 American Geophysical Union. All rights reserved. Proudly powered by Newspack by Automattic