Results 1 to 10 of about 12,717 (209)
Two Volcanic Tsunami Events Caused by Trapdoor Faulting at a Submerged Caldera Near Curtis and Cheeseman Islands in the Kermadec Arc [PDF]
Geophysical Research Letters, 2023 Two submarine earthquakes (Mw 5.8) occurred near volcanic islands, Curtis and Cheeseman, in the Kermadec Arc in 2009 and 2017. Following both earthquakes, similar tsunamis with wave heights of about a meter, larger than expected from their moderate ...
Osamu Sandanbata +4 more
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The Internal Structural Evolution of Calderas: Results from 3D Discrete Element Simulations [PDF]
Geosciences, 2019 The structural evolution of calderas is a key issue in volcanology and has profound implications for hazard analysis and the exploitation of geothermal energy and hydrothermal ores.
Stuart Hardy
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Cosmogenic helium signatures at Deception Island volcano (Antarctica): geochronological implications for its eruptive history [PDF]
Scientific ReportsCosmogenic nuclei production for dating the Earth surface exposure of rock/mineral samples, especially 3He, is a robust technique in geochronology. We describe its application to constrain the ages of key eruptive episodes of the volcanic history of ...
Antonio M. Álvarez-Valero +14 more
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Aquatic sloths (Thalassocnus) from the Miocene of Chile and the evolution of marine mammal herbivory in the Pacific Ocean [PDF]
PeerJThe evolution of marine mammals in South America includes unique and extinct lineages found nowhere else in the world, such as the walrus-convergent whale Odobenocetops and multiple aquatic sloth species belonging to the genus Thalassocnus.
Ana M. Valenzuela-Toro +3 more
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Acción colectiva, antagonismos y resistencia comunitaria en el conflicto socio-territorial de Freirina [PDF]
Eleuthera, 2020 Objetivo. Analizar la acción colectiva desarrollada en el marco del conflicto socio-territorial en la localidad de Freirina, Atacama, Chile. La Asamblea Freirina articuló una resistencia comunitaria como respuesta al funcionamiento de una planta ...
Cory Duarte-Hidalgo +3 more
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TEPEXI Boletín Científico de la Escuela Superior Tepeji del Río, 2023 Una caldera es un aparato que se encuentra bajo presión, la cuál atraves de un proceso convierte la energía termica en calor, regularmente son ocupadas en la industria de aquí su importancia de informarnos sobre este tema. Cómo ya sabemos existen muchos tipos y el aprender a diferenciar nos servirá para cubrir las necesidades que se presenten en los ...
Areli A. Domínguez-Barreto +1 more
openaire +1 more source
Caldera collapse thresholds correlate with magma chamber dimensions
Scientific Reports, 2023 Explosive caldera-forming eruptions eject voluminous magma during the gravitational collapse of the roof of the magma chamber. Caldera collapse is known to occur by rapid decompression of a magma chamber at shallow depth, however, the thresholds for ...
Nobuo Geshi +3 more
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Geochemistry, Geophysics, Geosystems, 2023 Oxygen isotopes are useful for tracing interactions between magmas, crustal rocks and surface‐derived waters. We use them here to consider links between voluminous silicic magmatism and large‐scale hydrothermal circulation in New Zealand's central Taupō ...
Shane M. Rooyakkers +6 more
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Tres Niños Preguntan:¿Cómo ha evolucionado la vida en nuestro planeta? Pág. 182-190
Bio-grafía, 2011 Experimentar, preguntar, indagar y realizar investigación son acciones que permiten desarrollar la curiosidad científica en los estudiantes partiendo de sus propios intereses; hecho que fomenta en ellos la creatividad así como la capacidad de pensar para
Luis Alfredo Obando Guerrero
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Geochemistry, Geophysics, Geosystems, 2020 Large silicic magma reservoirs preferentially form in the upper crust of extensional continental environments. However, our quantitative understanding of the link between mantle magmatism, silicic reservoirs, and surface deformation during rifting is ...
J. Gottsmann +4 more
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