Marco Liuzzo
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View article: Methane seepage dynamics and ground heating phenomena in the southern Po Valley: the case study of Santa Maria Nuova (Italy)
Methane seepage dynamics and ground heating phenomena in the southern Po Valley: the case study of Santa Maria Nuova (Italy) Open
Natural reservoirs that release CH4 can substantially increase atmospheric greenhouse gas levels, posing environmental and safety risks. Degassing phenomena in the Emilia-Romagna region (Italy) have been documented across a variety of flui…
View article: The contribution of multidisciplinary petrological and geochemical framework (PGF) to assess the influence of plumbing architecture on volcano dynamics and monitoring strategies
The contribution of multidisciplinary petrological and geochemical framework (PGF) to assess the influence of plumbing architecture on volcano dynamics and monitoring strategies Open
Forecasting changes in volcano activity requires a detailed understanding of magma plumbing architecture and dynamics in terms of geometry, distribution and connectivity of the magma bodies and magma properties. This is mandatory to apply …
View article: Corrigendum to “Chemical variability in volcanic gas plumes and fumaroles along the East African Rift System: New insights from the Western Branch” [Chemical Geology 596 (2022) 120811]
Corrigendum to “Chemical variability in volcanic gas plumes and fumaroles along the East African Rift System: New insights from the Western Branch” [Chemical Geology 596 (2022) 120811] Open
The authors regret that data from literature about the composition of the gas plume of the Nyamulagira volcano (green coloured field for 2014 measurements; Bobrowski et al., 2017b) was incorrectly plotted in Fig. 2a. This mistake is linked…
View article: Petrology and fluid inclusions geochemistry of ultramafic xenoliths from Mayotte and the origin of the Comoros Archipelago
Petrology and fluid inclusions geochemistry of ultramafic xenoliths from Mayotte and the origin of the Comoros Archipelago Open
Ultramafic xenoliths provide valuable insights into the physico-chemical, compositional and thermal characteristics of Earth’s mantle along with its heterogeneities. Integrating petrography and mineral chemistry data with the determi…
View article: Revealing spatio-temporal variations of soil CO2 flux at Mt. Etna volcano
Revealing spatio-temporal variations of soil CO2 flux at Mt. Etna volcano Open
Over the past two decades, significant advances in the geochemical monitoring of volcanoes have shown how crucial the observation of specific geochemical tracers is for understanding and evaluating eruptive processes. Among these, the moni…
View article: Modelling CO2 dispersion in the air during potential limnic eruption at the lake Pavin (France)
Modelling CO2 dispersion in the air during potential limnic eruption at the lake Pavin (France) Open
Risk mitigation in long-dormant volcanic provinces is a challenge due to the absence of collective memory of past disasters as well as the scarcity, and subtlety, of unrest signals that can be monitored. In this study, the impact of a pote…
View article: Seasonal Environmental Controls on Soil CO<sub>2</sub> Dynamics at a High CO<sub>2</sub> Flux Sites (Piton de la Fournaise and Mayotte Volcanoes)
Seasonal Environmental Controls on Soil CO<sub>2</sub> Dynamics at a High CO<sub>2</sub> Flux Sites (Piton de la Fournaise and Mayotte Volcanoes) Open
Environmental parameters drive seasonal soil CO 2 efflux toward the atmosphere. However, their influence is not fully understood in contexts of high CO 2 fluxes where CO 2 accumulates in the subsurface. A prime example are volcanoes subjec…
View article: High-spectral-resolution Fabry-Pérot interferometers overcome fundamental limitations of present volcanic gas remote sensing techniques
High-spectral-resolution Fabry-Pérot interferometers overcome fundamental limitations of present volcanic gas remote sensing techniques Open
Remote sensing (RS) of volcanic gases has become a central tool for studying volcanic activity. For instance, ultraviolet (UV) skylight spectroscopy with grating spectrographs (GS) enables SO 2 (and, under favourable conditions, BrO) quant…
View article: Halogens as tracers for magma evolution from the mantle source to the atmosphere – insights from simultaneous probing of tephra fallout and gas phase in the volcanic plume
Halogens as tracers for magma evolution from the mantle source to the atmosphere – insights from simultaneous probing of tephra fallout and gas phase in the volcanic plume Open
Besides H2O, CO2 and sulphur, halogens (F, Cl, Br, I) are important volatile components in magmas. The extremely high chemical activity of halogens in melts and liquids leads to a significant influence on (a) magmatic properties, (b) the d…
View article: Grande Comore and Mayotte gas-geochemistry and evidence of deep fluid migration during the 2018-2020 submarine eruption off Mayotte
Grande Comore and Mayotte gas-geochemistry and evidence of deep fluid migration during the 2018-2020 submarine eruption off Mayotte Open
Located within the Mozambique Channel, the Comoros archipelago is situated within a complex geodynamic system of great interest owing to recent volcanic and seismic activity (2018-20), but where little gas geochemistry research has been co…
View article: Managing the progressive awakening of Karthala volcano (Comoros Archipelago) after 14 years of quiescence: lessons learned from a long phase (2021-2023) of unrest.
Managing the progressive awakening of Karthala volcano (Comoros Archipelago) after 14 years of quiescence: lessons learned from a long phase (2021-2023) of unrest. Open
Karthala shield volcano (Grande Comore) is the most frequently active volcano of the Comoros Archipelago. On a centennial scale, Karthala alternates phases of dominantly eccentric activity, when eruptive fissures open along the rift zones …
View article: Chronicle of Processes Leading to the 2018 Eruption at Mt. Etna As Inferred by Seismic Ambient Noise Along With Geophysical and Geochemical Observables
Chronicle of Processes Leading to the 2018 Eruption at Mt. Etna As Inferred by Seismic Ambient Noise Along With Geophysical and Geochemical Observables Open
This work analyzes temporal variations of seismic velocities at Mt. Etna from August 2018 to February 2019. During this time period, a strong flank eruption accompanied by intense seismicity and ground deformation took place along a fractu…
View article: The composition of gas emissions at Petite Terre (Mayotte, Comoros): inference on magmatic fingerprints
The composition of gas emissions at Petite Terre (Mayotte, Comoros): inference on magmatic fingerprints Open
The Comoros archipelago is an active geodynamic region located in the Mozambique Channel between East continental Africa and Madagascar. The archipelago results from intra-plate volcanism, the most recent eruptions having occurred on the y…
View article: Wavelet-based filtering and prediction of soil CO2 flux: Example from Etna volcano (Italy)
Wavelet-based filtering and prediction of soil CO2 flux: Example from Etna volcano (Italy) Open
In this work, we propose a wavelet-based filtering for soil CO2 flux time series. The filter relies on the detection of the periodic components achieved by means of the long-term time-frequency characterization of the time series. For this…
View article: Intense overpressurization at basaltic open-conduit volcanoes as inferred by geochemical signals: The case of the Mt. Etna December 2018 eruption
Intense overpressurization at basaltic open-conduit volcanoes as inferred by geochemical signals: The case of the Mt. Etna December 2018 eruption Open
Magmatic fluids entering Mt. Etna volcano system from depth exceed those outgassed into atmosphere during inter-eruptive phases.
View article: Gas Geochemistry at Grande Comore and Mayotte Volcanic Islands (Comoros Archipelago), Indian Ocean
Gas Geochemistry at Grande Comore and Mayotte Volcanic Islands (Comoros Archipelago), Indian Ocean Open
The Comoros archipelago is an active geodynamic region of intra‐plate volcanism within which the youngest and oldest islands (Grande Comore and Mayotte respectively) are characterized by recent volcanic activity. The frequent eruptions of …
View article: GAS GEOCHEMISTRY AT GRANDE COMORE AND MAYOTTE VOLCANIC ISLANDS (COMOROS ARCHIPELAGO), INDIAN OCEAN
GAS GEOCHEMISTRY AT GRANDE COMORE AND MAYOTTE VOLCANIC ISLANDS (COMOROS ARCHIPELAGO), INDIAN OCEAN Open
Earth and Space Science Open Archive This preprint has been submitted to and is under consideration at G-Cubed. ESSOAr is a venue for early communication or feedback before peer review. Data may be preliminary.Learn more about preprints pr…
View article: Volcano Crisis Management at Piton de la Fournaise (La Réunion) during the COVID-19 Lockdown
Volcano Crisis Management at Piton de la Fournaise (La Réunion) during the COVID-19 Lockdown Open
In March 2020, the coronavirus disease 2019 outbreak was declared a pandemic by the World Health Organization and became a global health crisis. Authorities worldwide implemented lockdowns to restrict travel and social exchanges in a globa…
View article: The first observations of CO2 and CO2/SO2 degassing variations recorded at Mt. Etna during the 2018 eruptions followed by three strong earthquakes
The first observations of CO2 and CO2/SO2 degassing variations recorded at Mt. Etna during the 2018 eruptions followed by three strong earthquakes Open
International audience
View article: Recommendations and Protocols for the Use of the Isotope Ratio Infrared Spectrometer (Delta Ray) to Measure Stable Isotopes from CO<sub>2</sub>: An Application to Volcanic Emissions at Mount Etna and Stromboli (Sicily, Italy)
Recommendations and Protocols for the Use of the Isotope Ratio Infrared Spectrometer (Delta Ray) to Measure Stable Isotopes from CO<sub>2</sub>: An Application to Volcanic Emissions at Mount Etna and Stromboli (Sicily, Italy) Open
Among major volatiles released from the Earth’s interior, CO 2 is an important target for the international community. The interest is keenly motivated by the contribution of CO 2 in the Earth’s carbon budget and its role on past, current,…
View article: Geochemistry of noble gases and radiogenic isotopes of ultramafic mantle xenoliths from La Grille volcano (Grand Comore Island, Indian Ocean)
Geochemistry of noble gases and radiogenic isotopes of ultramafic mantle xenoliths from La Grille volcano (Grand Comore Island, Indian Ocean) Open
<p>Grand Comore is the youngest island of the Comoros volcanic chain and it is composed of two alkali shield volcanoes, Karthala and La Grille. Karthala is one of the most active volcanoes of the Indian Ocean (together with Piton de …
View article: Volcanic Plume Aging During Passive Degassing and Low Eruptive Events of Etna and Stromboli Volcanoes
Volcanic Plume Aging During Passive Degassing and Low Eruptive Events of Etna and Stromboli Volcanoes Open
Volcanic gases and aerosols emissions from passive degassing or low eruptive events are now included in most climate models despite large uncertainties still exist about their injection height and their temporal and spatial variability. Th…