Volcano Geodesy: Recent developments and future challenges

J Fernández, A Pepe, MP Poland… - Journal of Volcanology …, 2017 - Elsevier
Ascent of magma through Earth's crust is normally associated with, among other effects,
ground deformation and gravity changes. Geodesy is thus a valuable tool for monitoring and …

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 …

Crustal seismic velocity responds to a magmatic intrusion and seasonal loading in Iceland's Northern Volcanic Zone

C Donaldson, T Winder, C Caudron, RS White - Science Advances, 2019 - science.org
Seismic noise interferometry is an exciting technique for studying volcanoes, providing a
continuous measurement of seismic velocity changes (dv/v), which are sensitive to …

Moment tensors of ring‐faulting at active volcanoes: Insights into vertical‐CLVD earthquakes at the Sierra Negra caldera, Galápagos Islands

O Sandanbata, H Kanamori, L Rivera… - Journal of …, 2021 - Wiley Online Library
Abstract Moderate earthquakes (Mw> 5) with moment tensors (MTs) dominated by a vertical
compensated‐linear‐vector‐dipole (vertical‐CLVD) component are often generated by dip …

Three-dimensional seismic velocity structure of the Aegean Region of Turkey from local earthquake tomography

C Ozer, E Gok, O Polat - Annals of Geophysics, 2018 - annalsofgeophysics.eu
This study brings new insights to elucidate the 3-D seismic velocity structure of the Aegean
region of Turkey by using Local Earthquake Tomography (LET). The study area has …

The dynamics of a long-lasting effusive eruption modulated by Earth tides

S Dumont, JL Le Mouël, V Courtillot, F Lopes… - Earth and Planetary …, 2020 - Elsevier
Deciphering eruptive dynamics in near-real time is essential when dealing with hazard
assessment and population evacuation. Recognition of specific patterns in time-series …

Operational response and hazards assessment during the 2014–2015 volcanic crisis at Bárðarbunga volcano and associated eruption at Holuhraun, Iceland

S Barsotti, B Oddsson, MT Gudmundsson… - Journal of Volcanology …, 2020 - Elsevier
Abstract On August 16, 2014, an intense seismic swarm started below the eastern part of
Bárðarbunga caldera in the north-western part of Vatnajökull ice cap, Iceland, marking the …

The magmatic architecture of continental flood basalts: 2. A new conceptual model

T Mittal, MA Richards - Journal of Geophysical Research: Solid …, 2021 - Wiley Online Library
Continental flood basalts intruded and erupted millions of km3 of magma over∼ 1–5 Ma.
Previous work proposed the presence of large (–106 km3) crustal magma reservoirs to feed …

Integration of SAR data into monitoring of the 2014–2015 Holuhraun eruption, Iceland: contribution of the Icelandic volcanoes supersite and the FutureVolc projects

S Dumont, F Sigmundsson, MM Parks… - Frontiers in Earth …, 2018 - frontiersin.org
We report how data from satellite and aerial synthetic aperture radar (SAR) observations
were integrated into monitoring of the 2014–2015 Holuhraun eruption in the Bárðarbunga …

Physically consistent modeling of dike‐Induced deformation and seismicity: Application to the 2014 Bárðarbunga dike, Iceland

ER Heimisson, P Segall - Journal of Geophysical Research …, 2020 - Wiley Online Library
Dike intrusions are often associated with surface deformation and propagating swarms of
earthquakes. These are understood to be manifestations of the same underlying physical …