Results 101 to 110 of about 132,968 (237)

Anatomy of active volcanic edifice at the Kusatsu–Shirane volcano, Japan, by magnetotellurics: hydrothermal implications for volcanic unrests

Earth, Planets and Space, 2020
We aimed to perform three-dimensional imaging of the underlying geothermal system to a depth of 2 km using magnetotellurics (MT) at around the Yugama crater, the Kusatsu–Shirane Volcano, Japan, which is known to have frequent phreatic eruptions.
Kuo Hsuan Tseng, Yasuo Ogawa, Nurhasan, Sabri Bülent Tank, Naoto Ujihara, Yoshimori Honkura, Akihiko Terada, Yoshiya Usui, Wataru Kanda   +8 more
doaj   +1 more source

Forecasting Eruptions at Steamboat Geyser: Time Scales, Differentiability, and Detectability of Seismic Precursors Through Data‐Driven Methods

Journal of Geophysical Research: Machine Learning and Computation, Volume 2, Issue 2, June 2025.
Abstract Geyser eruptions provide a test bed for using geophysical data to forecast eruptions and to understand heat and mass transport in hydrothermal systems. We used time series analyses of seismic data at Steamboat Geyser, Yellowstone National Park, to identify short‐term precursors that are recurrent, detectable in real time, distinctly ...
Alberto Ardid, Anna Barth, David Dempsey, Michael Manga, Shane J. Cronin   +4 more
wiley   +1 more source

Chronology of the 2015 eruption of Hakone volcano, Japan: geological background, mechanism of volcanic unrest and disaster mitigation measures during the crisis

Earth, Planets and Space, 2018
The 2015 eruption of Hakone volcano was a very small phreatic eruption, with total erupted ash estimated to be in the order of only 102 m3 and ballistic blocks reaching less than 30 m from the vent.
Kazutaka Mannen, Yohei Yukutake, George Kikugawa, Masatake Harada, Kazuhiro Itadera, Jun Takenaka   +5 more
doaj   +1 more source

Origins and Alteration of Ediacaran Carbonates Recording the Shuram Excursion in Oman

Geochemistry, Geophysics, Geosystems, Volume 26, Issue 5, May 2025.
Abstract The Shuram excursion is the largest known negative carbon isotope excursion in Earth's history. Recognized globally, it follows the Ediacaran Gaskiers glaciation and precedes a marked increase in the diversity and complexity of the earliest macroscopic multicellular organisms in the fossil record.
Kristin D. Bergmann, Magdalena R. Osburn, Noah T. Anderson, Claire Hayhow, Julia Wilcots, Marjorie D. Cantine, Woodward W. Fischer, Magali Bonifacie   +7 more
wiley   +1 more source

Changes in seismic anisotropy at Ontake volcano: a tale of two eruptions

Seismica
The interaction of faults, fractures, and hydromagmatic systems of volcanoes can lead to complicated stress patterns that vary over short spatial and temporal scales.
Michael Kendall, Toshiko Terakawa, Martha Savage, Tom Kettlety, Daniel Minifie, Haruhisa Nakamichi, Andreas Wuestefeld   +6 more
doaj   +1 more source

Consequences of volcano sector collapse on magmatic storage zones: insights from numerical modeling [PDF]

, 2013
International audienceMajor volcano flank collapses strongly affect the underlying magmatic plumbing system. Here, we consider the magma storage zone as a liquid pocket embedded in an elastic medium, and we perform numerical simulations in two ...
Albino, Fabien, Pinel, Virginie
core   +3 more sources

Probabilistic, Multi‐Sensor Eruption Forecasting

Geophysical Research Letters, Volume 52, Issue 8, 28 April 2025.
Abstract We developed an eruption forecasting model using data from multiple sensors or data streams with the Bayesian network method. The model generates probabilistic forecasts that are interpretable and resilient against sensor outage. We applied the model at Whakaari/White Island, an andesite island volcano off the coast of New Zealand, using ...
Y. Behr, A. Christophersen, C. Miller
wiley   +1 more source

Leachate Analyses of volcanic ashes from the 2010 Eyjafjallaj\uf6kull eruption [PDF]

, 2011
Volcanic processes which lead to eruptions can be investigated by monitoring a variety of parameters, including the composition of ash leachates. Fine-grained tephra erupted from active vents, and transported through volcanic plumes, can adsorb, and ...
Aiuppa, A., Bagnato, E., Bertagnini, A., Bonadonna, C., Cioni, R., Pedone, M., Pistolesi, M.   +6 more
core  

Report of Workshop on Mount Saint Helens: Its Atmospheric Effects and Potential Climatic Impact [PDF]

The atmospheric and potential climatic aspects of a volcanic eruption were discussed.
Deepak, Adarsh, Newell, Reginald E.
core   +1 more source

Suspended sediment transport diversity in river catchments following the 2014 phreatic eruption at Ontake Volcano, Japan

Earth, Planets and Space, 2019
The present contribution investigates the temporal changes in volcaniclastic sediment transport over the 2-year period after the 2014 eruption of Ontake Volcano in two small drainage basins where increased turbidity was observed immediately after the ...
K. Kataoka, Takane Matsumoto, T. Saito, Y. Nagahashi, T. Iyobe   +4 more
semanticscholar   +1 more source