Results 41 to 50 of about 1,915 (170)

Characterizing Spatiotemporal Ground Deformation at Whakaari (White Island) Volcano, New Zealand From 2014 to 2024 Using InSAR Time‐Series Analysis

Earth and Space Science, Volume 12, Issue 9, September 2025.
Abstract Whakaari (White Island) volcano is the most active volcano in New Zealand with a dynamic hydrothermal system. The volcano has had four eruptive periods since 2014. In this study, our aim is to understand the pre‐and post‐eruption deformation processes occurring at Whakaari using interferometric synthetic aperture radar (InSAR).
Shreya Kanakiya, Stella Essenmacher, Arnold Fernandes   +2 more
wiley   +1 more source

flux on Mt. Etna: The 2004–2005 eruption and the role of regional tectonics and volcano tectonics

, 2008
The soil CO2 flux on Mt. Etna as recorded by the ETNAGAS network (an automatic system for measuring soil CO2 flux and meteorological parameters) started to increase strongly about 5 months prior to the onset of the 2004–2005 eruption and decreased a ...
Gaetano Giudice, Sergio Gurrieri, Marco Liuzzo, Liuzzo, M., Gurrieri, S., Giudice, G.   +5 more
core   +1 more source

Lava Lake Spattering Drives Seismic Tremor During the Geldingadalir 2021 Eruption, Iceland

Geochemistry, Geophysics, Geosystems, Volume 26, Issue 8, August 2025.
Abstract Volcanic eruptions generate a continuous ground motion that is commonly referred to as tremor. Although tremor is used worldwide for real‐time monitoring of volcanoes, the mechanisms involved are generally poorly understood. Here, we study the episodic effusion during 2021 Geldingadalir eruption. We use photogrammetric data and videos acquired
Alea Joachim, Eva P. S. Eibl, Daniel Müller, Thomas R. Walter, Tom Winder, Nicholas Rawlinson   +5 more
wiley   +1 more source

Fluctuation analysis of the hourly time variability of volcano-magnetic signals recorded at Mt. Etna Volcano, Sicily (Italy)

, 2005
The time-correlation properties in the hourly time variability of volcano-magnetic data measured at the active volcano Mt. Etna, Sicily (southern Italy), are investigated by using the detrended fluctuation analysis (DFA).
Telesca, L., Lapenna, V., Del Negro, C., Currenti, G.   +3 more
core   +1 more source

Fault rupture and aseismic creep accompanying the December 26, 2018, Mw 4.9 Fleri earthquake (Mt. Etna, Italy): factors affecting the surface faulting in a volcano-tectonic environment

, 2023
On December 26, 2018 (2:19 UTC), during a volcanic eruption on the Mt. Etna eastern flank (Sicily, southern Italy), the largest instrumental earthquake ever recorded in the volcano ruptured the Fiandaca Fault, with epicenter between Fleri and Pennisi ...
Di Manna, Pio, Paradiso, Giuseppe, Guerrieri, Luca, Blumetti, Anna Maria, Boso, Domenico, Michetti, Alessandro Maria, Ferrario, Maria Francesca, Porfido, Sabina, Pettinato, Rosario, Groppelli, Gianluca, Vittori, Eutizio, Tringali, Giorgio, Bella, Domenico, Livio, Franz   +13 more
core   +1 more source

The Effect of Edifice Slope, Failure Surface Geometry, and Magma Intrusion Depth on the Development of Flank Instability at Volcanoes

Journal of Geophysical Research: Solid Earth, Volume 130, Issue 7, July 2025.
Abstract Magmatism is a known driver of flank instability at volcanoes where flank slip has been observed. Studies of instability at Kı̄lauea, Piton de la Fournaise, and Etna imply that long‐term flank motion likely requires the presence of a layer accommodating the sliding, and a force, such as magma intrusion, that promotes slip.
J. Gonzalez‐Santana, C. Wauthier, S. Tung, T. Masterlark   +3 more
wiley   +1 more source

The geodynamics of Mt. Etna volcano during and after the 1984 eruption

Annals of Geophysics, 1999
Data concerning M > 2.5 earthquakes that occurred at Mt. Etna volcano (Sicily, Italy) during the period April 15th - October 29th, 1984 are here presented and discussed. Only those events with reliable focal mechanisms (at least eight polarities) have been considered.
C. Centamore, G. Patanè, S. La Delfa
openaire   +3 more sources

Large submarine landslides offshore Mt. Etna

, 2006
High resolution seismic data, we collected in the Ionian sea, reveal large submarine landslide deposits offshore from Mt. Etna (Italy), spatially consistent with the eastern flank collapse of this volcano.
Mazzarini, F., Boschi, E., Pareschi, M. T., Favalli M., Favalli, M., Pareschi M. T., BOSCHI, ENZO, Mazzarini F.   +7 more
core   +1 more source

Geophysical and geochemical methods applied to investigate fissure-related hydrothermal systems on the summit area of Mt. Etna volcano (Italy)

, 2014
International audienceA multidisciplinary approach integrating self-potential, soil temperature, heat flux, CO2 efflux and gravity gradiometry signals was used to investigate a relatively small fissure-related hydrothermal system near the summit of Mt ...
Maucourant, Samuel, Giammanco, S., Greco, F., Maucourant, S., Dorizon, S., Dorizon, Sophie, del Negro, Ciro, Greco, Filippo, Giammanco, Salvatore, Del Negro, C.   +9 more
core   +1 more source

The occurrence of Mt Barca flank eruption in the evolution of the NW periphery of Etna volcano (Italy)

, 2009
Geological surveys, tephrostratigraphic study, and 40Ar/39Ar age determinations have allowed us to chronologically constrain the geological evolution of the lower NW flank of Etna volcano and to reconstruct the eruptive style of the Mt Barca flank ...
De Beni, E., Branca, S., Lo Castro, D., Wijbrans, J., Del Carlo, P.   +4 more
core   +1 more source