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lava & magma

Eruption of Shinmoedake on 27 January 2011
Posted inNews

Two Active Volcanoes in Japan May Share a Magma Source

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 31 July 20186 December 2021

Evidence collected following the 2011 eruption of Japan’s Shinmoedake volcano suggests that the powerful event affected the behavior of an active caldera nearby.

Researchers analyze rocks from Mars’s Gale crater to see whether the conditions under which they formed were really as Earthlike as previously believed.
Posted inResearch Spotlights

Is Mars Not So Earthlike After All?

by E. Underwood 16 July 20183 January 2023

Light-colored Gale crater rocks could have formed from intraplate volcanoes, not continental crust, new study finds.

Researchers analyze traces of volcanic activity and water flooding in Hrad Vallis on Mars
Posted inResearch Spotlights

Tracing the Steps of Hydrothermal Activity in Hrad Vallis, Mars

by S. Witman 10 July 201810 October 2021

Conditions that formed Amazonian age valleys may have been hospitable to microbial life.

Researchers model magma flow under Iceland’s Bárðarbunga volcano to spot previously undetected eruptions
Posted inResearch Spotlights

Magma Flow in a Major Icelandic Eruption

Sarah Stanley, Science Writer by Sarah Stanley 23 May 20181 November 2021

Mechanical modeling suggests that previous, undetected eruptions released tectonic stress near the ice-covered Bárðarbunga volcano.

Kīlauea lava flows
Posted inNews

Faster Lava Flows, Explosive Eruptions Begin at Kīlauea

Ilima Loomis, Science Writer by Ilima Loomis 21 May 20184 October 2021

Scientists say the dramatic increase in flows is likely due to the arrival of younger, hotter magma in the system.

Halema'uma'u crater ash plume from 1924
Posted inNews

Steam-Driven Blasts Last Seen at Kīlauea in 1924 May Recur

Ilima Loomis, Science Writer by Ilima Loomis 15 May 201825 October 2022

Sinking magma levels and rockfalls prompt warnings, flight restrictions, and the shutdown of Hawai’i Volcanoes National Park.

Geoscientists at Laguna del Maule, Chile
Posted inScience Updates

Geoscientists Collaborate to Understand Silicic Magma Systems

by J. R. Delph, B. S. Singer and J. Dufek 2 May 201827 October 2021

American Geophysical Union Chapman Conference: Merging Geophysical, Petrochronologic, and Modeling Perspectives of Large Silicic Magma Systems; Quinamavida, Chile, 7–12 January 2018

Spatter bombs
Posted inNews

Homemade “Spatter Bombs” Can Reveal Volcanic Secrets

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 23 March 201815 November 2022

Researchers use trial and error to develop a technique to create volcanic lava bombs.

Researchers assess how a novel technique can be used to predict volcanic eruptions based on limited seismic data
Posted inResearch Spotlights

A Novel Way to Track Magma Flow

by E. Underwood 21 February 201827 October 2021

Sparse seismic data can accurately predict volcanic eruptions.

Researchers draw up sediment cores from seabed at Juan de Fuca Ridge to analyze iron and copper deposits.
Posted inNews

Iron Readings Hint That Ocean Depth Influences Seabed Volcanism

by N. Lanese 18 January 20185 May 2022

Water pressure on mid-ocean ridges may affect magma production kilometers beneath the ocean floor.

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