Results 91 to 100 of about 27,575 (184)
Gravity Structure of the Akan Caldera and Its Vicinity, Eastern Hokkaido, Japan [PDF]
We performed gravity surveys and compiled pre-existing gravity data to obtain gravity anomalies of the Akan Caldera, eastern Hokkaido, and a new gravity map around the caldera was produced.
神山, 裕幸 +3 more
core +1 more source
Abstract Ground deformation of dormant volcanoes provides critical insights into subsurface processes and potential hazards. Here we present Sentinel‐1 Interferometric Synthetic Aperture Radar (InSAR) time series (2015–2020) for Changbaishan volcano, the largest intraplate volcanic system in East Asia. We detect persistent subsidence of up to 3.5 mm/yr
Xingjun Luo +3 more
wiley +1 more source
Updated Version of the Collapse Caldera Database (CCDB)
27th IUGG General Assembly 2019 in Montreal, 8-18 July 2019In 2008 we presented a new general worldwide Collapse Caldera DataBase (CCDB), in order to provide a useful and accessible tool for studying and understanding caldera collapse processes.
Martí Molist, Joan +8 more
core +1 more source
The Luingo caldera: The south-easternmost collapse caldera in the Altiplano–Puna plateau, NW Argentina [PDF]
This article identifies the Pucarilla–Cerro Tipillas Volcanic Complex and its major eruptive source, the Luingo caldera (26° 10′S–66° 40′W). Detailed geological mapping, stratigraphic sections, facies analysis and correlations, including the ...
Ivan Petrinovic +3 more
core +1 more source
Geologic history of the summit of Axial Seamount, Juan de Fuca Ridge
Multibeam (1 m resolution) and side scan data collected from an autonomous underwater vehicle, and lava samples, radiocarbon‐dated sediment cores, and observations of flow contacts collected by remotely operated vehicle were combined to reconstruct the ...
David A. Clague +11 more
doaj +1 more source
Abstract Understanding shallow magmatic and hydrothermal systems at active volcanoes is essential for interpreting unrest and forecasting eruptions. We present the first high‐resolution three‐dimensional Vp $Vp$, Vs $Vs$, and Vp/Vs $Vp/Vs$ models of Vulcano Island, Aeolian Islands, Italy, derived from a dense nodal seismic network.
Iván Cabrera‐Pérez +6 more
wiley +1 more source
Abstract Intraplate volcanism in Northeast Asia, located in a distant back‐arc setting, challenges conventional models of mantle convection and volatile cycling. Using receiver function data from over 300 broadband stations, we image the mantle transition zone (MTZ) beneath the Changbaishan/Paektu volcano.
Cunrui Han +6 more
wiley +1 more source
Caldera resurgence driven by magma viscosity contrasts
Following a large caldera creating volcanic eruption, caldera resurgence may occur as magma accumulation takes place, but this rarely leads to another a major eruption.
Federico Galetto +2 more
doaj +1 more source
Preservation of Isolated Vesicles in Submarine Pumice and Implications for Submarine Slope Stability
Abstract Pumice clasts from submarine eruptions contain abundant isolated vesicles that are completely encased in glass. As erupted clasts cool, gas inside isolated vesicles contracts, leading to low pressures inside those vesicles. Despite low pressures, isolated vesicles can be preserved in submarine pumice deposits to water depths of approximately 1–
M. Manga
wiley +1 more source

