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calderas

A view of Kīlauea’s summit lava lake
Posted inResearch Spotlights

Volcanic Tremor and Deformation at Kīlauea

by Kate Wheeling 2 August 20216 March 2023

Two new studies investigate activity at Hawaii’s Kīlauea leading up to and following the 2018 eruption to better understand the volcano’s plumbing and behavior.

A group of researchers attend to seismic instruments at Sierra Negra in the Galápagos.
Posted inNews

Observing a Galápagos Volcano from Buildup to Eruption

by Sarah Derouin 26 March 202127 October 2021

Insights from a 13-year monitoring program of Sierra Negra—one of the many volcanoes that dot the Galápagos Islands—shed light on the volcanic evolution of basaltic eruption.

Satellite image of the island of Mayotte and its surrounding fringing reef
Posted inNews

New Volcano, Old Caldera

by Alka Tripathy-Lang 15 December 20206 September 2022

Researchers suggest a magma chamber sits within an old submarine caldera structure that extends into the mantle. Nearby, a new underwater volcano emerged with a flurry of seismicity.

Steamboat Geyser in Yellowstone National Park
Posted inNews

Are Geysers a Signal of Magma Intrusion Under Yellowstone?

by Erik Klemetti 29 May 202027 October 2021

Steamboat Geyser, the world’s tallest, is in the midst of one of its largest periods of activity. Is it linked to new magma intruding under the Yellowstone caldera?

An explosion from Kīlauea Volcano’s summit sends an ash plume into the sky on 27 May 2018.
Posted inResearch Spotlights

Fault Dips Figured in Kīlauea’s Caldera Collapse

by David Shultz 6 January 20206 October 2021

Large-volume volcanic eruptions can create instabilities in the ground above magma chambers, leading to massive collapses and telltale calderas.

An aerial view of the massive Katla glacier, which might be a bigger source of CO2 than previously estimated
Posted inResearch Spotlights

Volcano in Iceland Is One of the Largest Sources of Volcanic CO2

by Terri Cook 8 November 201815 November 2022

High-precision airborne measurements, in combination with atmospheric modeling, suggest that the Katla subglacial caldera may be one of the planet’s biggest sources of volcanic carbon dioxide.

Eruption of Shinmoedake on 27 January 2011
Posted inNews

Two Active Volcanoes in Japan May Share a Magma Source

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.

Laguna Caliente in Costa Rica
Posted inNews

Scientists Discover an Environment on the Cusp of Habitability

by Katherine Kornei 25 May 201824 February 2022

A volcanically heated Costa Rican lake hosts only one type of organism, suggesting that its Mars-like environment is just barely capable of supporting life.

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.

Three-dimensional imaging unveils the dynamics inside an active volcano
Posted inResearch Spotlights

Looking Inside an Active Italian Volcano

by E. Underwood 17 November 201729 September 2022

Scientists use 3-D imaging to reveal Solfatara crater’s inner plumbing.

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