10 Feb Teide degassed more than usual June-October 2016

🇬🇧 🇺🇸 From June through August 2016 there was a change in degassing at Teide, including increased H₂S (hydrogen sulfide) emission. On the 2nd of October, a seismic swarm occurred over five hours, with at least 766 earthquakes detected. The swarm was followed by an increase in diffuse CO2 emission and by an increase in volcano-tectonic seismicity. These changes suggest magma was rising deep below and releasing fluids into the shallow hydrothermal system.
🇪🇸 🇮🇨 De junio a agosto de 2016 se produjo un cambio en la desgasificación del Teide, que incluyó un aumento de las emisiones de H₂S (sulfuro de hidrógeno). El 2 de octubre se produjo un enjambre sísmico durante cinco horas, con al menos 766 terremotos detectados. El enjambre fue seguido por un aumento de las emisiones difusas de CO2 y un aumento de la sismicidad vulcanotectónica. Estos cambios sugieren que el magma estaba subiendo desde las profundidades y liberando fluidos en el sistema hidrotermal superficial.
References
D’Auria, L., Barrancos, J., Padilla, G.D., Pérez, N.M., Hernández, P.A., Melián, G., Padrón, E., Asensio‐Ramos, M. and García‐Hernández, R., 2019. The 2016 Tenerife (Canary Islands) long‐period seismic swarm. Journal of Geophysical Research: Solid Earth, 124(8), pp.8739-8752.
Padrón, E., Pérez, N.M., Hernández, P.A., Melián, G., Asensio‐Ramos, M., D’Auria, L., Rodríguez, F., Alonso, M., Amonte, C., Padilla, G.D. and Barrancos, J., 2021. Changes in diffuse degassing from the summit crater of Teide volcano (Tenerife, Canary Islands) prior to the 2016 Tenerife long‐period seismic swarm. Journal of Geophysical Research: Solid Earth, 126(3), p.e2020JB020318.
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