Results 71 to 80 of about 304,697 (314)

Volcano remote sensing with ground-based spectroscopy [PDF]

, 2005
The chemical compositions and emission rates of volcanic gases carry important information about underground magmatic and hydrothermal conditions, with application in eruption forecasting.
Burton M.R, Daag A.S, O'Dwyer M, Sparks R.S.J, Stoiber R.E, Symonds R.B   +5 more
core   +1 more source

Modelling of bubble nucleation in trachy-phonolitic magmas: implications for the dynamics of ash-rich eruptions [PDF]

, 2012
Nucleation of water gas bubbles in trachyphonolitic magmatic melts has been investigated integrating theory and numerical modelling with decompression experiments and analysis of natural ash samples of explosive eruptions.
Colucci, Simone
core   +1 more source

Magma recharge and mush rejuvenation drive paroxysmal activity at Stromboli volcano

Nature Communications, 2022
Petrological studies along with volcano monitoring data relate the unusual 2019 explosive activity at Stromboli volcano (Italy) to deep magma recharges up to a few days prior the eruption and a direct link between deep and shallow magma reservoirs.
Chiara Maria Petrone, Silvio Mollo, Ralf Gertisser, Yannick Buret, Piergiorgio Scarlato, Elisabetta Del Bello, Daniele Andronico, Ben Ellis, Alessio Pontesilli, Gianfilippo De Astis, Pier Paolo Giacomoni, Massimo Coltorti, Mark Reagan   +12 more
doaj   +1 more source

The 15 January 2022 Hunga Tonga Eruption History as Inferred From Ionospheric Observations

Geophysical Research Letters, 2022
On 15 January 2022, the Hunga Tonga‐Hunga Ha’apai submarine volcano erupted violently and triggered a giant atmospheric shock wave and tsunami. The exact mechanism of this extraordinary eruptive event, its size and magnitude are not well understood yet ...
E. Astafyeva, B. Maletckii, T. Mikesell, E. Munaibari, M. Ravanelli, Pierdavide Co¨ısson, Fabio Manta, Lucie Rolland, P. Coisson   +8 more
semanticscholar   +1 more source

Challenges of determining frequency and magnitudes of explosive eruptions even with an unprecedented stratigraphy

Journal of Applied Volcanology, 2019
Through decades of field studies and laboratory analyses, Volcán de Colima, Mexico has one of the best known proximal eruption stratigraphies of any volcano, yet the frequency and magnitudes of previous eruptions are still poorly resolved.
Julia M. Crummy, Ivan P. Savov, Susan C. Loughlin, Charles B. Connor, Laura Connor, Carlos Navarro-Ochoa   +5 more
doaj   +1 more source

Monitoring SO2 emission at the Soufriere Hills Volcano: implications for changes in erruptive conditions [PDF]

, 1998
FLWINinfo:eu-repo/semantics ...
A. J. H. Maciejewski, Allen, B. Darroux, Barclay, C. A. Gardner, C. M. M. Oppenheimer, Daag, Devine, G. E. Norton, Gerlach, Gerlach, Hammouya, Hirabayashi, I. M. Watson, J. Barclay, J. Stix, Luhr, M. A. Davies, Millán, Millán, Neuberg, Oppenheimer, P. Delmelle, P. W. Francis, Robertson, S. R. Young, Seigneur, Sparks, Stoiber, T. J. Casadevall, Wallace, Young   +31 more
core   +1 more source

Electragel for Advanced Static Charge Mitigation and Energy Harvesting

Advanced Science, EarlyView.
Electragel is a transformative material that scavenges static charges for simultaneous dissipation and electricity generation, enabling dual‐purpose static control and energy harvesting across industries while shifting paradigms from mitigation to sustainable utilization of electrostatic energy. Abstract The heightened sensitivity of modern electronics
Irum Firdous, Muhammad Fahim, Kaixin Lin, Tsz Chung Ho, Yihao Zhu, Chi Yan Tso   +5 more
wiley   +1 more source

Deep Sea Explosive Eruptions may be not so Different from Subaerial Eruptions [PDF]

Goldschmidt Abstracts, 2020
AbstractThe dynamics of deep sea explosive eruptions, the dispersion of the pyroclasts, and how submarine eruptions differ from the subaerial ones are still poorly known due to the limited access to sea environments. Here, we analyze two ash layers representative of the proximal and distal deposits of two submarine eruptions from a 500 to 800 m deep ...
Iezzi Gianluca, Lanzafame Gabriele, Mancini Lucia, Behrens Harald, Tamburrino Stella, Vallefuoco Mattia, Passaro Salvatore, Signanini Patrizio, Ventura Guido   +8 more
openaire   +6 more sources

The lower jaw of Devonian ray‐finned fishes (Actinopterygii): Anatomy, relationships, and functional morphology

The Anatomical Record, EarlyView.
Abstract Actinopterygii is a major extant vertebrate group, but limited data are available for its earliest members. Here we investigate the morphology of Devonian actinopterygians, focusing on the lower jaw. We use X‐ray computed tomography (XCT) to provide comprehensive descriptions of the mandibles of 19 species, which span the whole of the Devonian
Ben Igielman, Rodrigo Tinoco Figueroa, Robert R. Higgins, Stephanie E. Pierce, Michael I. Coates, Emily M. Troyer, Vincent Fernandez, Kathleen Dollman, Jing Lu, Min Zhu, Matt Friedman, Sam Giles   +11 more
wiley   +1 more source

Report on potential sampling biases in the LaMEVE database of global volcanism

Journal of Applied Volcanology, 2017
We investigate whether the disproportionate contribution of individual volcanoes in the Large Magnitude Explosive Volcanic Eruption database (LaMEVE) potentially compromises the treatment of LaMEVE as a globally representative database of volcanic ...
Natalia Irma Deligne, R. Stephen J. Sparks, Sarah K. Brown   +2 more
doaj   +1 more source