Results 31 to 40 of about 627,703 (284)

Characteristic of Lokon Volcano Deformation of 2009 - 2011 Based on GPS Data

open access: yesIndonesian Journal on Geoscience, 2014
DOI: 10.17014/ijog.v7i4.147Precursor of Lokon Volcano eruptions in 2011 is believed to begin since December 2007 which was marked by increasing number of volcanic earthquakes and gas emission.
Estu Kriswati   +5 more
doaj   +1 more source

Modeling long-term volcanic deformation at Kusatsu-Shirane and Asama volcanoes, Japan, using the GNSS coordinate time series

open access: yesEarth, Planets and Space, 2021
Long-term deformation of Kusatsu-Shirane and Asama volcanoes in central Japan were investigated using Global Navigation Satellite System (GNSS) measurements.
Hiroshi Munekane
doaj   +1 more source

Copernicus Sentinel-1 MT-InSAR, GNSS and Seismic Monitoring of Deformation Patterns and Trends at the Methana Volcano, Greece

open access: yesApplied Sciences, 2020
The Methana volcano in Greece belongs to the western part of the Hellenic Volcanic Arc, where the African and Eurasian tectonic plates converge at a rate of approximately 3 cm/year.
Theodoros Gatsios   +5 more
doaj   +1 more source

Distinguishing shallow from mid-crustal magmatic processes at Soufrière Hills Volcano using Finite Element Modelling and co-analysis of EDM and GPS data

open access: yesVolcanica, 2023
We modelled ground deformation at Soufrière Hills Volcano (SHV), using data collected by the Montserrat Volcano Observatory from 2010–2019. We investigate the combined use of Electronic Distance Measuring (EDM) and Global Positioning System (GPS) to ...
Alexander Johnson   +4 more
doaj   +1 more source

Upper crustal structure of an active volcano from refraction/reflection tomography, Montserrat, Lesser Antilles [PDF]

open access: yes, 2010
To better understand the volcanic phenomena acting on Montserrat, the SEA-CALIPSO seis-mic experiment (Seismic Experiment with Airgun-source – Caribbean Andesitic Lava Island Precision Seismo-geodetic Observatory) was conducted in 2007 December with the ...
Henstock, T   +35 more
core   +1 more source

Volcanic Unrest at Taupō Volcano in 2019: Causes, Mechanisms and Implications

open access: yesGeochemistry, Geophysics, Geosystems, 2021
Taupō volcano, New Zealand, is a large caldera volcano that has been highly active through the Holocene. It most recently erupted ∼1,800 years ago but there have been multiple periods of historic volcanic unrest.
Finnigan Illsley‐Kemp   +9 more
doaj   +1 more source

Determination of Cerro Blanco volcano deformation field using method of fundamental solutions

open access: yesGeomatics, Natural Hazards & Risk, 2017
According to geodetic research works, surface deformation in the form of uplift or subsidence in volcanic areas is either a sign of magma moving towards the opening of the volcano (inflation) or removal of the magma source (deflation).
Maryam Yazdanparast   +2 more
doaj   +1 more source

First Onset of Unrest Captured at Socompa: A Recent Geodetic Survey at Central Andean Volcanoes in Northern Chile

open access: yesGeophysical Research Letters, 2023
We report the first detection of unrest at Socompa volcano during our recent survey of Central Andean volcanos in Northern Chile using Interferometric Synthetic Aperture Radar measurements spanning January 2018 to October 2021.
F. Liu   +6 more
doaj   +1 more source

On the monitoring of surface displacement in connection with volcano reactivation in Tenerife, Canary Islands, using space techniques [PDF]

open access: yes, 2002
Geodetic volcano monitoring in Tenerife has mainly focused on the Las Cañadas Caldera, where a geodetic micronetwork and a levelling profile are located.
González-Matesanz, FJ.   +18 more
core  

Lava production at Soufriere Hills Volcano, Montserrat: 1995-2009 [PDF]

open access: yes, 2010
[1] We estimate that about 1 km3 of andesitic lava has been produced at Soufrière Hills Volcano, Montserrat from 1995 to 2009. There were three major episodes of extrusion, each lasting about 2 to 3.5 years and producing about 280 to 340 M m3 of lava ...
Calder, E. S.   +14 more
core   +1 more source

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