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volcanoes

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.

Researchers use the 2015 eruption of Chile’s Calbuco volcano to test how well remote infrasound monitoring can detect volcanic activity
Posted inResearch Spotlights

Harnessing Remote Infrasound to Study Volcanic Eruptions

by Terri Cook 30 April 20182 May 2022

Data from the 2015 eruption of Chile’s Calbuco volcano suggest the international network built to monitor nuclear explosions may also be used to detect and characterize volcanic activity.

Volcanic caldera Mount Tambora Indonesia
Posted inEditors' Vox

Are We Prepared for the Next Mega Eruption?

by Fabio Florindo 30 March 20182 May 2022

The frequency of eruptions with a Volcanic Explosivity Index of 7 is only one or two per thousand years but we cannot afford to be complacent.

Researchers use data from a network of buoys to visualize the undersea portion of Campi Flegrei caldera
Posted inResearch Spotlights

Visualizing One of the Most Hazardous Formations in Nature

by S. Witman 29 March 201817 November 2022

A network of buoys provides a first glimpse of the seafloor beneath a volatile Italian caldera.

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.

Mount Etna eruption, Sicily, Italy
Posted inScience Updates

Radon Tells Unexpected Tales of Mount Etna’s Unrest

by S. Falsaperla, M. Neri, G. Di Grazia, H. Langer and S. Spampinato 22 March 201819 July 2022

Readings from a sensor for the radioactive gas near summit craters of the Italian volcano reveal signatures of such processes as seismic rock fracturing and sloshing of groundwater and other fluids.

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.

Ecuador’s Tungurahua volcano. A 2017 report summarizes the current state of volcano science and issues three grand challenges.
Posted inScience Updates

Working Together Toward Better Volcanic Forecasting

by M. Manga 8 January 201828 March 2023

A National Academies report highlights challenges and opportunities in volcano science.

Researchers use radar satellite imagery to measure changes in the topography of Ecuador’s El Reventador volcano
Posted inResearch Spotlights

Using Radar to Understand How Volcanic Eruptions Evolve

by Terri Cook 5 January 201827 October 2021

Radar satellite imagery can be used to measure constructional changes in the topography of long-lived volcanoes, according to a new study of Ecuador’s El Reventador volcano.

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