Results 91 to 100 of about 3,224 (207)

Distribution and stratigraphy of deposits produced by diluted pyroclastic density currents of the 1982 eruption of El Chichón volcano, Chiapas, Mexico

Revista Mexicana de Ciencias Geológicas, 2018
The March 29 to April 4, 1982 eruption of El Chichón volcano in southeastern Mexico was characterized by a complex interplay between magmatic and phreatomagmatic eruptive events, that were responsible for the generation of plinian columns and ...
Teresa Scolamacchia, José Luis Macías
doaj  

Time Varying Crustal Anisotropy at Whakaari/White Island Volcano

Geophysical Research Letters
Whakaari/White Island has been the most active New Zealand volcano in the 21st century, producing small phreatic and phreatomagmatic eruptions, which are hard to predict.
D. Y. Mengesha, M. K. Savage, A. D. Jolly, C. J. Ebinger   +3 more
doaj   +1 more source

Insights Into the Mechanisms of Phreatic Eruptions From Continuous High Frequency Volcanic Gas Monitoring: Rincón de la Vieja Volcano, Costa Rica

Frontiers in Earth Science, 2019
Understanding the trigger mechanisms of phreatic eruptions is key to mitigating the effects of these hazardous but poorly forecastable volcanic events.
Angelo Battaglia, J. Maarten de Moor, Alessandro Aiuppa, Geoffroy Avard, Henriette Bakkar, Marcello Bitetto, M. M. Mora Fernández, M. M. Mora Fernández, Peter Kelly, Gaetano Giudice, Dario Delle Donne, Hairo Villalobos   +11 more
doaj   +1 more source

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

Volcanic activity on the Kuril Islands in 2023 [PDF]

Геосистемы переходных зон
Ebeko and Chikurachki volcanoes, located on Paramushir Island (the Northern Kuril Islands), were in a state of eruption in 2023. During that year, Ebeko volcano showed moderate volcanic activity typical of its recent years, characterized by frequent ...
@Degterev, Artem V., Chibisova, Marina V.   +1 more
doaj   +1 more source

Origins and significance of alteration textures in hydrovolcanic products from active volcanoes

Earth, Planets and Space
While mineralization processes in hydrothermal systems have been studied intensively from the viewpoint of economic geology, the composition, and textures of hydrothermally altered materials in hydrovolcanic ash have not been fully analyzed in active ...
Yusuke Minami, Nobuo Geshi
doaj   +1 more source

Phreatomagmatic ash from the ongoing eruption of Etna reaching the Greek island of Cefalonia

Journal of Volcanology and Geothermal Research, 2003
On October 26, 2002, Etna volcano, Sicily (southern Italy), entered a new eruptive phase, characterised by the usual effusive activity from fissure vents located both on the southern and on the northern sector of the summit area. In addition, explosive events of unusual intensity were recorded at the beginning of the eruption and produced a substantial
DELLINO, Pierfrancesco, Kyriakopoulos K.
openaire   +3 more sources

Evolution of monogenetic rhyolite volcanoes: Vinicky, Eastern Slovakia [PDF]

, 2014
Four essential volcanic units have been recognized in the late Middle Miocene rhyolite complex at the southern side of the Zemplín horst next to the village Viničky.
Baco, P., Bacova, Z., Konecny, P., Konecny, V., Lexa, J., Németh, K.   +5 more
core  

Activity in the Karymsky Center in 1996: Summit Eruption at Karymsky and Phreatomagmatic Eruption in the Akademii Nauk Caldera [PDF]

, 1998
Data are presented from studies of volcanoes in the Karymsky long-living volcanic center, Kamchatka in 1996. We examine the dynamics and rock composition for eruptions that started simultaneously on Karymsky Volcano and in the Akademia Nauk caldera. The effusive-explosive eruption of Karymsky Volcano was resumed after a 14-year repose period, producing
Muravyev Y.D., Fedotov S.A., Budnikov V.A., Ozerov A.Yu., Maguskin M.A., Dvigalo V.N., Andreev V.I., Ivanov V.V., Kartasheva L.A., Markov I.A.   +9 more
openaire  

Supplemental Material: Sequential phreatomagmatic eruptions during the lateral propagation of giant dyke swarms

<p>Background, methods, and data. </p>
et al., Joe Cartwright, Evan Pryce
openaire   +1 more source