Volcanic Systems Team News

14 June 2023

Press, Research

Risk science in the age of climate change

Extreme weather events, rising sea levels, avalanches - these are just some of the hazards that place the question of risk at the heart of the debate ...

27 March 2023

Press, Research

The eruptive activity of Tungurahua volcano is regulated by the fine chemical structure of its magma source

Arc volcanism is a consequence of the fertilization of the mantle wedge by subduction fluids (metasomatism). This phenomenon governs magmatic producti...

06 February 2023

Press, Research

New insights into the pre-eruptive dynamics of magma reservoirs

Seismic monitoring of a volcano is currently the most common method of detecting and tracking its eruptive crises, based on the increasing number and ...

07 November 2022

General public, Observatories, Press, Research

Study underwater lava flows by combining bathymetry and hydro-acoustic signals

On the ocean floor, the meeting of lava and water during volcanic eruptions generates acoustic signals that propagate into the ocean. Lava flows are a...

27 January 2022

Press, Research

Volcano Hunga Tonga, an unusual eruption

On January 15th, 2022, the eruption of the Hunga Tonga volcano in the Tonga archipelago in the Pacific Ocean created a volcanic plume several tens of ...

03 July 2020

Press, Research

Paroxysmal volcanic eruptions predicted by temporal variations in helium isotopes

Primordial helium-3 (3He) enrichment is regularly detected in volcanic fluids, but its temporal variability and link with volcanic activity are still ...

07 June 2019

Observatories, Press, Research

Very long-period and ultra-long-period seismic signals detected before and during the formation of the Dolomieu caldera on Reunion Island in 2007

Caldera collapses (giant circular or elliptical volcanic craters formed by the emptying of the magma chamber) are rare phenomena. Only seven have occu...

17 May 2019

Awards and Distinctions, Institute Life, Press, Research

Patrick Allard elected President of IAVCEI

Patrick Allard, emeritus CNRS research director in the Volcanic Systems team at the IPGP, has been elected president of the IAVCEI(I...

15 May 2019

Observatories, Press, Research

MAYOBS sea campaign following the seismo-volcanic crisis in Mayotte

Deployment of OBS and acquisition of marine geophysical data to observe and monitor the seismo-volcanic crisis in Mayotte.

21 March 2019

Awards and Distinctions, Institute Life, Press, Research

François Beauducel named Chevalier in the Order of Academic Palms

On 7 January, IPGP researcher François Beauducel was appointed Chevalier dans l'Ordre des Palmes Académiques by the French Prime Minister.François Bea...

22 February 2019

Observatories, Press, Research

"Tellus Mayotte" seismic mission at sea

The call for proposals, entitled "Tellus Mayotte", launched at the end of 2018, and comprising three major operations, two on land (Mayotte and Glorie...

22 February 2019

Observatories, Press, Research

The IPGP takes part in a campaign launched by the CNRS to observe seismic activity in Mayotte

Since May 10th 2018, numerous earthquakes have occurred off Mayotte, some of them widely felt by local residents. The observations accumulated so far ...