Near-surface magma flow instability drives cyclic lava fountaining at Fagradalsfjall, Iceland

S Scott, M Pfeffer, C Oppenheimer, E Bali… - Nature …, 2023 - nature.com
Lava fountains are a common manifestation of basaltic volcanism. While magma degassing
plays a clear key role in their generation, the controls on their duration and intermittency are …

Tremor clustering reveals pre-eruptive signals and evolution of the 2021 Geldingadalir eruption of the Fagradalsfjall Fires, Iceland

Z Zali, SM Mousavi, M Ohrnberger, EPS Eibl… - … Earth & Environment, 2024 - nature.com
Analyzing seismic data in a timely manner is essential for potential eruption forecasting and
early warning in volcanology. Here, we demonstrate that unsupervised machine learning …

Seismic signature detection during the 2018 Anak Krakatau flank collapse and tsunami using seismic amplitudes from regional-scale monitoring

T Permana, T Yatimantoro, AS Handayani - Earth, Planets and Space, 2023 - Springer
On 22 December 2018, the major flank collapse of Anak Krakatau volcano generated a
tsunami that struck the surrounding coasts of Java and Sumatra islands in Indonesia without …

[HTML][HTML] SO2 emission rates and incorporation into the air pollution dispersion forecast during the 2021 eruption of Fagradalsfjall, Iceland

MA Pfeffer, S Arellano, S Barsotti, GN Petersen… - Journal of Volcanology …, 2024 - Elsevier
During the low-effusion rate Fagradalsfjall eruption (19 March–18 September 2021), the
emission of sulfur dioxide (SO 2) was frequently measured using ground-based UV …

[HTML][HTML] Reawakening of Voragine, the Oldest of Etna's Summit Craters: Insights from a Recurrent Episodic Eruptive Behavior

S Calvari, G Nunnari - Remote Sensing, 2024 - mdpi.com
Paroxysmal explosive activity at Etna volcano (Italy) has become quite frequent over the last
three decades, raising concerns with the civil protection authorities due to its significant …

The petrology and geochemistry of the 2021 Fagradalsfjall eruption, Iceland: An eruption sourced from multiple, compositionally diverse, near‐Moho sills

EW Marshall, A Caracciolo, E Bali… - AGU …, 2024 - Wiley Online Library
Magmatic processes at the crust‐mantle boundary (ie, Moho) are commonly studied post
facto at fossil ophiolites, oceanic core complexes, or inferred from the compositions of …

Widespread fracture movements during a volcano-tectonic unrest: the Reykjanes Peninsula, Iceland, from 2019–2021 TerraSAR-X interferometry

C Ducrocq, T Árnadóttir, P Einarsson, S Jónsson… - Bulletin of …, 2024 - Springer
Tectonic controls on dyke emplacements, eruption dynamics and locations have been
observed in multiple volcanic areas worldwide. Mapping of active structures is therefore key …

On the move: 2023 observations on real time graben formation, Grindavík, Iceland

GP De Pascale, TJ Fischer… - Geophysical …, 2024 - Wiley Online Library
Grabens, or valleys formed during extensional tectonic events, are common but rarely
observed during formation. In November 2023, inelastic surface deformation formed abruptly …

Illuminating the transition from an open to a semi‐closed volcanic vent system through episodic tremor duration and shape

EPS Eibl, T Thordarson, WM Moreland… - Journal of …, 2024 - Wiley Online Library
Abstract [Volcanic eruptions generate continuous or episodic tremor, which can provide
unrivaled information about activity changes during eruption. However, the wealth of …

Lava flow hazard modelling during the 2021 Fagradalsfjall eruption, Iceland: Applications of MrLavaLoba

GBM Pedersen, MA Pfeffer, S Barsotti… - … Hazards and Earth …, 2022 - nhess.copernicus.org
The 6-month-long effusive eruption at the Fagradalsfjall volcano in 2021 is the most visited
eruption site in Iceland to date (June 2023), and it needed intense lava flow hazard …