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¿Qué hay debajo de Yellowstone?
1Department of Earth and Planetary Sciences, University of California Davis, Davis, CA, USA.
Science (New York, N.Y.)
|December 1, 2022
Resumen
Los depósitos de magma volcánico son más grandes de lo que se pensaba. Sin embargo, este aumento en el volumen de magma puede no conducir a más erupciones volcánicas.
Área de la Ciencia:
- Geología
- Volcanología
- Ciencias de la Tierra
Sus antecedentes:
- La acumulación de magma debajo de los volcanes es un factor clave en la predicción de la erupción.
- Es posible que las estimaciones anteriores del volumen de magma hayan subestimado la cantidad total presente.
Objetivo del estudio:
- Para reevaluar el volumen de magma presente en los sistemas volcánicos.
- Para determinar la eruptibilidad de los volúmenes de magma recién reconocidos.
Principales métodos:
- Estudio geofísico para detectar magma bajo la superficie.
- Análisis petrológico de rocas volcánicas para comprender las propiedades del magma.
Principales resultados:
- Se han identificado volúmenes sustanciales de magma, que exceden las estimaciones anteriores.
- El magma identificado exhibe características que pueden inhibir su ascenso y erupción.
Conclusiones:
- Los sistemas volcánicos pueden albergar reservas de magma más grandes de lo que se reconoce actualmente.
- El aumento del volumen de magma no equivale automáticamente a una mayor probabilidad de erupción debido a factores que influyen en la movilidad y composición del magma.
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