Cyclical geothermal unrest as a precursor to Iceland's 2021 Fagradalsfjall eruption

ÓG Flóvenz, R Wang, GP Hersir, T Dahm, S Hainzl… - Nature …, 2022 - nature.com
Understanding and constraining the source of geodetic deformation in volcanic areas is an
important component of hazard assessment. Here, we analyse deformation and seismicity …

Recent advances in characterizing the crustal stress field and future applications of stress data: Perspectives from North America

JE Lundstern - Geological Society, London, Special Publications, 2024 - lyellcollection.org
The stress field controls patterns of crustal deformation, including which faults are likeliest to
cause earthquakes or transmit fluids. Since the 1950s, maps of maximum horizontal stress …

Unexpected large eruptions from buoyant magma bodies within viscoelastic crust

F Sigmundsson, V Pinel, R Grapenthin… - Nature …, 2020 - nature.com
Large volume effusive eruptions with relatively minor observed precursory signals are at
odds with widely used models to interpret volcano deformation. Here we propose a new …

Intense seismicity during the 2014–2015 Bárðarbunga‐Holuhraun rifting event, Iceland, reveals the nature of dike‐induced earthquakes and caldera collapse …

T Ágústsdóttir, T Winder, J Woods… - Journal of …, 2019 - Wiley Online Library
Over 2 weeks in August 2014, magma propagated 48 km laterally from Bárðarbunga
volcano before erupting at Holuhraun for 6 months, accompanied by collapse of the caldera …

[HTML][HTML] Feeders vs arrested dikes: a case study from the Younger Stampar eruption in Iceland

N Corti, FL Bonali, E Russo, K Drymoni… - Journal of Volcanology …, 2023 - Elsevier
Understanding the mechanical conditions for dike arrest and associated surface deformation
or, alternatively, dike propagation to the surface to supply magma to an eruption, is of …

The 2014–2015 complex collapse of the Bárðarbunga caldera, Iceland, revealed by seismic moment tensors

F Rodríguez-Cardozo, V Hjörleifsdóttir… - Journal of Volcanology …, 2021 - Elsevier
Abstract Between August 2014 and February 2015, a caldera collapse process in
Bárðarbunga volcano accompanied a fissure eruption at the Holuhraun lava field after …

Timescales of dike growth and chamber deflation constrain magma storage and transport pathways during Kīlauea's 2018 lower East Rift Zone intrusion

M Townsend, MH Huang - Journal of Geophysical Research …, 2022 - Wiley Online Library
The intrusion of magma into Kīlauea's lower East Rift Zone in May 2018 led to the largest
eruption along this segment of the volcano in over 200 years. As magma drained from the rift …

Volcanic origin of a long‐lived swarm in the Central Bransfield Basin, Antarctica

P Poli, L Cabrera, MC Flores, JC Báez… - Geophysical …, 2022 - Wiley Online Library
Understanding the extensional processes in tectonic context at the transition from
continental to oceanic spreading is fundamental to obtain new insights about formations of …

On the origin of seismic anisotropy in the shallow crust of the Northern Volcanic Zone, Iceland

CA Bacon, JH Johnson, RS White… - Journal of Geophysical …, 2022 - Wiley Online Library
The Icelandic crust is a product of its unique tectonic setting, where the interaction of an
ascending mantle plume and the Mid‐Atlantic Ridge has caused elevated mantle melting …

Aseismic Deformation During the 2014 Mw 5.2 Karonga Earthquake, Malawi, From Satellite Interferometry and Earthquake Source Mechanisms

W Zheng, SJ Oliva, C Ebinger… - Geophysical Research …, 2020 - Wiley Online Library
Aseismic deformation has been suggested as a mechanism to release the accumulated
strain in rifts. However, the fraction and the spatial distribution of the aseismic strain are …