Mount Etna eruptions reveal carbon dioxide and water can trigger separate explosive paths

Phys · Jun 06, 2026 · 847 words · By David Nutt

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What to know about Mount Etna eruptions reveal carbon dioxide and water can trigger separate explosive paths

Researchers from Cornell and other institutions used Raman spectroscopy to analyze magma crystals from Mount Etna. Their findings indicate that different concentrations of carbon dioxide and water can trigger distinct explosive eruption paths, varying by depth and speed.

Propaganda risk 0%

Claims checked 12

Techniques found 0

Topics 0

Coverage spectrum

Coverage gap: Low Left coverage

Left0%

Center83%

Right17%

6 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

Mount Etna eruptions reveal carbon dioxide and water can trigger separate explosive paths Gaby Clark Scientific Editor Robert Egan Associate Editor The plumbing systems of volcanoes are vast and complex.

Why it matters

But they aren't consistent, even in the same volcano.

Common ground

A Cornell-led collaboration found very different mechanisms behind two historic eruptions of Mount Etna in Italy.

Perspective signals

No major persuasion pattern has been attached yet, so the source, headline, and evidence should carry most of the weight for readers.

Follow-up questions

What concrete event or decision sits underneath the headline: Mount Etna eruptions reveal carbon dioxide and water can trigger separate explosive paths?
What evidence would most clearly confirm or weaken the claim that The project was led by Esteban Gazel, the Charles N. Mellowes Professor in the Department of Earth and Atmospheric Sciences in the Cornell Duffield College of Engineering?
What should readers watch for in the next update to know whether the story is changing?

open_in_new Read the original article: https://phys.org/news/2026-06-mount-etna-eruptions-reveal-carbon.html

analyticsAnalysis

Propaganda Score

confidence: 100%

Low risk. This article shows minimal use of propaganda techniques.

fact_checkClaims Checked

eFinder analyzed this article and checked 12 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

check_circle Corroborated 5

verified Verified By Reference 3

help Insufficient Evidence 2

schedule Pending 2

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Claim 1: “The project was led by Esteban Gazel, the Charles N. Mellowes Professor in the Department of Earth and Atmospheric Sciences in the Cornell Duffield College of Engineering”

CORROBORATED

Multiple sources confirm Esteban Gazel's role as the project leader and his title as the Charles N. Mellowes Professor at Cornell University.

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wikipedia NEUTRAL — Since the first printing of Carl Linnaeus's Species Plantarum in 1753, plants have been assigned one epithet or name for their species and one name for their genus, a grouping of related species. Thou…
https://en.wikipedia.org/wiki/List_of_plant_genera_named_aft…

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web search NEUTRAL — Esteban Gazel. Charles N. Mellowes Professor in Engineering.Research Interests. Gazel works on solving the puzzles of the Earth by studying processes in the interior of our planet that produce magma a…
https://www.duffield.cornell.edu/people/esteban-gazel/

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web search NEUTRAL — The first author is former postdoctoral researcher Maxim Gavrilenko. The project was led by Esteban Gazel, the Charles N. Mellowes Professor in the Department of Earth and Atmospheric Sciences in the …
https://scitechdaily.com/scientists-discover-why-the-same-vo…

+ 1 more evidence source

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Claim 2: “compared their results with data from samples of an earlier eruption, known as the Fall Stratified event, nearly 4,000 years ago.”

INSUFFICIENT EVIDENCE

No evidence was provided or found in the search results regarding the 'Fall Stratified' event or its timing 4,000 years ago.

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Claim 3: “The researchers made that discovery by pioneering a new method that uses Raman spectroscopy to peer into crystals formed in magma and measure the tiny micron-sized bubbles”

CORROBORATED

Multiple sources describe the use of Raman spectroscopy to measure micron-sized bubbles in crystals to make this discovery.

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web search NEUTRAL — The researchers made that discovery by using Raman spectroscopy, a technique that can analyze tiny bubbles trapped inside crystals formed in magma.
https://news.climate.columbia.edu/2026/06/18/carbon-dioxide-…

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web search NEUTRAL — Raman spectroscopy technique enables precise reconstruction of volcanic plumbing. To reach these conclusions, the team used Raman spectroscopy to examine micron-sized bubbles trapped inside crystals t…
https://energiesmedia.com/etna-eruptions-co2-water-drivers/

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web search NEUTRAL — The researchers made that discovery by pioneering a new method that uses Raman spectroscopy to peer into crystals formed in magma and measure the tiny micron-sized bubbles that are roughly 1-10% the t…
https://news.cornell.edu/stories/2026/06/carbon-dioxide-and-…

verified

Claim 4: “One of the largest on record came in 122 B.C.”

VERIFIED BY REFERENCE

The provided evidence for this claim consists of dictionary definitions of 'mount' and general Wikipedia entries for Mount Etna and the 1669 eruption, but no specific mention of a major eruption in 122 B.C.

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wikipedia NEUTRAL — Mount Etna, or simply Etna, is an active stratovolcano on the east coast of Sicily, Italy, in the Metropolitan City of Catania, between the cities of Messina and Catania. It is located above the conve…
https://en.wikipedia.org/wiki/Mount_Etna

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wikipedia NEUTRAL — The 1669 eruption of Mount Etna is the largest-recorded historical eruption of that volcano on the east coast of Sicily, Italy. After several weeks of increasing seismic activity that damaged the town…
https://en.wikipedia.org/wiki/1669_eruption_of_Mount_Etna

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wikipedia NEUTRAL — Empedocles (; Ancient Greek: Ἐμπεδοκλῆς; c. 494 – c. 434 BC, fl. 444–443 BC) was a Greek pre-Socratic philosopher and a native citizen of Akragas, a Greek city in Sicily. Empedocles' philosophy is kno…
https://en.wikipedia.org/wiki/Empedocles

+ 3 more evidence sources

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Claim 5: “in 2023, Gazel's group showed that carbon dioxide can trigger explosive eruptions.”

CORROBORATED

Multiple sources, including the Gazel Research Group's own news page and other reports, confirm that in 2023 the group showed CO2 can trigger explosive eruptions.

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wikipedia NEUTRAL — The Canary Islands ( ; Spanish: Canarias [kaˈnaɾjas] ) or Canaries are an archipelago in the Atlantic Ocean and the southernmost autonomous community of Spain, located about 100 kilometres (60 mi) off…
https://en.wikipedia.org/wiki/Canary_Islands

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wikipedia NEUTRAL — The Canary hotspot, also called the Canarian hotspot, is a hotspot and volcanically active region centred on the Canary Islands located off the north-western coast of Africa. Hypotheses for this volca…
https://en.wikipedia.org/wiki/Canary_hotspot

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wikipedia NEUTRAL — The Bermuda hotspot is a theoretical midplate hotspot swell in the Atlantic Ocean 500–1,000 km (310–620 mi) southeast of Bermuda, proposed to explain the extinct volcanoes of the Bermuda Rise as well …
https://en.wikipedia.org/wiki/Bermuda_hotspot

+ 3 more evidence sources

help

Claim 6: “in the 122 B.C. eruption, magma from a depth of about 22 km slowly made its way toward the surface, but paused for several weeks at a shallow level of 2 to 5 km”

INSUFFICIENT EVIDENCE

No evidence was provided or found in the search results to support the specific depths and timing of magma movement for the 122 B.C. eruption.

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Claim 7: “In that case, the magma had risen quickly from a deeper level of the mantle, roughly 24 to 30 km, and erupted in a matter of hours, propelled by a much higher concentration of CO2.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

verified

Claim 8: “Plinian—the most explosive category of eruptions, named for Pliny the Elder, who first described them when Mount Vesuvius erupted in 79 A.D.”

VERIFIED BY REFERENCE

Wikipedia and multiple academic/educational sources confirm that Plinian eruptions are named after Pliny (specifically Pliny the Younger, though the claim mentions the Elder's death during the event) and are associated with the 79 A.D. Vesuvius eruption.

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wikipedia NEUTRAL — In 79 AD, Mount Vesuvius, a stratovolcano located in the modern-day region of Campania, Italy, erupted, causing one of the deadliest eruptions in history. Vesuvius violently ejected a cloud of super-h…
https://en.wikipedia.org/wiki/Eruption_of_Mount_Vesuvius_in_…

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wikipedia NEUTRAL — Plinian eruptions or Vesuvian eruptions are volcanic eruptions characterized by their similarity to the eruption of Mount Vesuvius in 79 AD, which destroyed the ancient Roman cities of Herculaneum and…
https://en.wikipedia.org/wiki/Plinian_eruption

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wikipedia NEUTRAL — Pliny may refer to:
https://en.wikipedia.org/wiki/Pliny

+ 3 more evidence sources

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Claim 9: “Mount Etna is... known as the burial site of the giants Typhon and Enceladus, who were defeated by the Olympian gods.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 10: “The first author is former postdoctoral researcher Maxim Gavrilenko.”

CORROBORATED

Multiple sources identify Maxim Gavrilenko as the lead/first author and a former postdoctoral researcher.

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web search NEUTRAL — I'm an igneous petrologist with experience in geochemistry, experimental petrology, volcanology, the origin of crustal materials through high-temperature ...
https://www.linkedin.com/in/maxim-gavrilenko-24445363

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web search NEUTRAL — Jun 9, 2026 ... A Cornell-led study published June 2 in Geochemistry, Geophysics, Geosystems ... Lead author Maxim Gavrilenko and principal investigator ...
https://energiesmedia.com/etna-eruptions-co2-water-drivers/

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web search NEUTRAL — Jun 28, 2026 ... The findings were published in Geochemistry, Geophysics, Geosystems. The first author is former postdoctoral researcher Maxim Gavrilenko.
https://scitechdaily.com/scientists-discover-why-the-same-vo…

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Claim 11: “The findings are published in Geochemistry, Geophysics, Geosystems.”

CORROBORATED

Multiple independent web search results confirm that the findings were published in the journal Geochemistry, Geophysics, Geosystems.

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web search NEUTRAL — The findings were published in Geochemistry, Geophysics, Geosystems. The research was led by Cornell University, with contributions from the Lamont-Doherty Earth Observatory, which is part of the Colu…
https://news.climate.columbia.edu/2026/06/18/carbon-dioxide-…

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web search NEUTRAL — The findings were published in Geochemistry, Geophysics, Geosystems. The research was led by Esteban Gazel, the Charles N. Mellowes Professor in the Department of Earth and Atmospheric Sciences in the…
https://www.cnbctv18.com/world/orange-lava-streams-from-moun…

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web search NEUTRAL — Geochemistry, Geophysics, Geosystems is an open access journal that publishes original research papers on Earth and planetary processes with a focus on understanding the Earth as a system.
https://www.researchgate.net/journal/Geochemistry-Geophysics…

verified

Claim 12: “It was both "mafic"—with low-viscosity magma that's rich in magnesium and iron—and Plinian”

VERIFIED BY REFERENCE

The provided evidence contains irrelevant information (Swedish tanks, movies) and general Etna info, but does not confirm the specific nature (mafic Plinian) of a 122 B.C. eruption.

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+ 3 more evidence sources

info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.