Results 81 to 90 of about 2,674 (211)

The dilemmas of risk-sensitive development on a small volcanic island [PDF]

, 2016
In the Small Islands Developing State (SIDS) of St Vincent and the Grenadines in the Caribbean, the most destructive disasters in terms of human casualties have been the multiple eruptions of La Soufrière volcano situated in the north of St Vincent ...
Ahmad, Bahadur, Connell, Flett, Isaacs, Kelman, Kenny, Loughlin, Morin, Opadeyi, Pelling, Pyle, Robertson, Siebert, Terry, Wilkinson, Wilkinson, Wisner   +17 more
core   +2 more sources

Spontaneous Transient Summit Uplift at Taftan Volcano (Makran Subduction Arc) Imaged Using an InSAR Common‐Mode Filtering Method

Geophysical Research Letters, Volume 52, Issue 19, 16 October 2025.
Abstract We unambiguously document unrest at Taftan volcano. Summit uplift was detected using Interferometric Synthetic Aperture Radar time series and its timing tightly constrained applying a new common mode filtering method. Uplift started and ended gradually lasting 10 months (July 2023 to May 2024).
Mohammadhossein Mohammadnia, Man Wai Yip, A. Alexander G. Webb, Pablo J. González   +3 more
wiley   +1 more source

Characterizing Spatiotemporal Ground Deformation at Whakaari (White Island) Volcano, New Zealand From 2014 to 2024 Using InSAR Time‐Series Analysis

Earth and Space Science, Volume 12, Issue 9, September 2025.
Abstract Whakaari (White Island) volcano is the most active volcano in New Zealand with a dynamic hydrothermal system. The volcano has had four eruptive periods since 2014. In this study, our aim is to understand the pre‐and post‐eruption deformation processes occurring at Whakaari using interferometric synthetic aperture radar (InSAR).
Shreya Kanakiya, Stella Essenmacher, Arnold Fernandes   +2 more
wiley   +1 more source

A thermodynamical model for rainfall-triggered volcanic dome collapse [PDF]

, 2004
Dome-forming volcanic eruptions typically involve the slow extrusion of viscous lava onto a steep-sided volcano punctuated by collapse and the generation of hazardous pyroclastic flows.
Adrian J. Matthews, Barclay, Calder, Carn, Couch, Dzurisin, Jenni Barclay, Kesthelyi, Mastin, Matthews, Melnik, Oppenheimer, Sparks, Spera, Watts   +14 more
core   +1 more source

Volcanic Facies From Probabilistic Multi‐Physics Characterization of an Andesite Island Volcano, Whakaari/White Island, New Zealand

Geochemistry, Geophysics, Geosystems, Volume 26, Issue 7, July 2025.
Abstract Collapse of hydrothermally weakened rock on the flanks of volcanic islands is a recognized cause of tsunamis generated by volcanoes. Here we use a multiphysics clustering method to derive a volcanic facies model for Whakaari/White Island, an andesite arc volcanic island in New Zealand.
C. A. Miller, F. Caratori Tontini
wiley   +1 more source

Renewed Explosive Phreatomagmatic Activity at Poás Volcano, Costa Rica in April 2017

Frontiers in Earth Science, 2018
Phreatic and phreatomagmatic eruptions at volcanoes often present no short term precursory activity, making them a challenge to forecast. Poás volcano, Costa Rica, exhibits cyclic activity with phreatic and some phreatomagmatic eruptions separated by ...
Rebecca O. Salvage, Rebecca O. Salvage, Geoffroy Avard, J. Maarten de Moor, Javier F. Pacheco, Jorge Brenes Marin, Monserrat Cascante, Monserrat Cascante, Cyril Muller, María Martinez Cruz   +9 more
doaj   +1 more source

Volcanic Radiative Power Retrieval From Moderate‐to‐Low‐Temperature Features Using a Single TIR Band: Validation Using Volcanic Crater Lakes and Hydrothermal Systems

Geophysical Research Letters, Volume 52, Issue 12, 28 June 2025.
Abstract Assessing Radiative Power (RP) output is essential for monitoring and understanding volcanic systems. While Mid‐Infrared channels are used to assess thermal outputs at volcanoes exhibiting effusive activity, Thermal‐InfraRed (TIR) bands are better suited for measuring moderate‐to‐low‐temperature (≲600 K) features, such as those associated with
Simone Aveni, Sophie Pailot‐Bonnétat, Dmitri Rouwet, Andrew J. L. Harris, Diego Coppola   +4 more
wiley   +1 more source

Geochemical evaluation for the fumarolic gases collected at Ojigokudani, Iwate volcano, Japan in September 2024

Earth, Planets and Space
Anomalous earthquakes and crustal movements have been observed at Iwate volcano in northern Honshu, Japan, where phreatic eruptions have been feared since February 2024, and the volcanic alert level was raised from 1 to 2 on October 2, 2024. We collected
Muga Yaguchi, Takeshi Ohba, Shun Kanno
doaj   +1 more source

The First Instrumentally Detected Hydrothermal Explosion in Yellowstone National Park

Geophysical Research Letters, Volume 52, Issue 11, 16 June 2025.
Abstract Hydrothermal explosions are one of the geological hazards most likely to impact people in Yellowstone National Park, but their frequency is poorly known. Infrasound and seismic sensors identified an explosion in Norris Geyser Basin on 15 April 2024, at 14:56 MDT (20:56 UTC)—the first instrumentally detected hydrothermal explosion in the ...
Michael P. Poland, Alexandra M. Iezzi, Jamie Farrell, R. Greg Vaughan   +3 more
wiley   +1 more source

Changes in Crater Morphology Associated With Volcanic Activity at Telica Volcano, Nicaragua

Geochemistry, Geophysics, Geosystems, 2020
Volcanic summit craters are typically noted to form by roof collapse into a depressurized magma chamber or by explosive excavation. Recent examples of effusive activity (e.g., Kilauea Volcano, Hawai'i) allowed specifically for quantification of the ...
Catherine Hanagan, Peter C. La Femina, Mel Rodgers   +2 more
doaj   +1 more source