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hydrothermal systems

A 7 August overflight showed weakly bubbling lava at Kīlauea’s fissure 8, a significant change from flows in prior weeks.
Posted inNews

Kīlauea Eruption Abruptly Slows Down

Ilima Loomis, Science Writer by Ilima Loomis 9 August 20182 May 2022

Volcanologists say it’s too soon to know whether the sudden drop in activity signals the end of the eruption or just a pause.

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.

Lava bursts from a fissure on the flanks of Kīlauea volcano
Posted inFeatures

Four Ways Kīlauea Is Redrawing the Map

Ilima Loomis, Science Writer by Ilima Loomis 27 July 20185 October 2021

From burying communities to building new land, this historic eruption is changing the landscape of Hawai‘i Island.

Steam plume from Halema'uma'u crater on 1 June 2018
Posted inNews

Huge Spike in Quakes Badly Damages Kīlauea Observatory

Ilima Loomis, Science Writer by Ilima Loomis 5 June 20182 May 2022

Meanwhile, some scientists say that the 35-year eruption from the Pu‘u Ō‘ō vent has ended and that the flows since 3 May are a new eruption. Others take issue with this view.

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.

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.

A panoramic view of the Lusi eruption, in Indonesia, from December 2013.
Posted inResearch Spotlights

What Feeds Indonesia’s Destructive Mud Eruption?

Sarah Stanley, Science Writer by Sarah Stanley 2 January 201827 October 2021

New advances in seismic investigations suggest links in plumbing between nearby magma volcanoes and a mud-erupting system that has been spewing for more than a decade.

Dave Lovalvo and Todd Gregory deploy ROV Yogi from R/V Annie II in Wyoming’s Yellowstone Lake.
Posted inScience Updates

Exploring the Restless Floor of Yellowstone Lake

by R. Sohn, R. Harris, C. Linder, K. Luttrell, D. Lovalvo, L. Morgan, W. Seyfried and P. Shanks 4 December 201717 November 2022

Yellowstone Lake, far from any ocean, hosts underwater hot springs similar to those on mid-ocean ridges. A research team is investigating the processes that drive the lake’s hydrothermal systems.

COVIS acoustic data were used to produce 3-D images of underwater plumes from black smoker vents in Juan de Fuca Ridge.
Posted inScience Updates

Sounding the Black Smoker Plumes

by G. Xu, K. Bemis and D. Jackson 10 November 20171 October 2021

Imaging sonar, an emerging technique for monitoring heat from seafloor hydrothermal vents, gives scientists a new look at interacting systems off the coast of Canada.

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