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Journal of Volcanology and Geothermal Research(2)
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Finding Possible Precursors for the 2015 Cotopaxi Volcano Eruption Using Unsupervised Machine Learning Techniques
ArticleAbstract: Cotopaxi Volcano showed an increased activity since April 2015 and evolved into its eventual mild erPalabras claves:Autores:Gabriela L. Arias, Hugo D. Ortiz, Juan Camilo Anzieta, Mario C. Ruiz, Zuccarello L.Fuentes:scopusMulti-year regional infrasound detection of Tungurahua, El Reventador, and Sangay volcanoes in Ecuador from 2006 to 2013
Conference ObjectAbstract: As part of the Acoustic Surveillance for Hazardous Eruptions project, two infrasound arrays were insPalabras claves:Autores:Garapaty C., Hugo D. Ortiz, Mario C. Ruiz, Matoza R.S., Patricio A. Ramón, Rose K.Fuentes:scopusInfrasound Tornillos Produced by Volcán Cotopaxi's Deep Crater
ArticleAbstract: We characterize and interpret a new type of infrasound signal originating from the summit of VolcánPalabras claves:Cotopaxi Volcano, infrasound, Tornillo, Volcano MonitoringAutores:Guillermo Viracucha, Hugo D. Ortiz, Johnson J.B., Marco Almeida, Mario C. Ruiz, Patricio A. Ramón, Watson L.M.Fuentes:scopusUsing infrasound waves to monitor tropospheric weather and crater morphology changes at Volcán Tungurahua, Ecuador
ArticleAbstract: We use infrasound waves generated during eruptions of Volcán Tungurahua (Ecuador) to study both, chaPalabras claves:Atmospheric tides, Crater morphology changes, Infrasound source localization, Volcán Tungurahua, Volcano infrasound, Wind velocities and air temperaturesAutores:Hugo D. Ortiz, Johnson J.B., Mario C. Ruiz, Patricio A. RamónFuentes:scopusVolcano infrasound: progress and future directions
ArticleAbstract: Over the past two decades (2000–2020), volcano infrasound (acoustic waves with frequencies less thanPalabras claves:Acoustics, DIVERSITY, Equity, inclusion, Machine learning, Source and propagation modeling, Volcano infrasound, Volcano MonitoringAutores:Anderson J.F., Bishop J.W., Fee D., Gestrich J.E., Hugo D. Ortiz, Iezzi A.M., Johnson J.B., Maher S.P., Matoza R.S., McKee K.F., Toney L., Watson L.M., Witsil A.J.C.Fuentes:googlescopusReviewing volcano hazard and risk communications in Ecuador: Experiences from a fast-format workshop
ArticleAbstract: Hazard and risk communication requires the design and dissemination of clear messages that enhance pPalabras claves:Citizen engagement, Communication Processes, Ecuadorian volcanoes, Hazard communication, Multidisciplinary workshops, Volcanic crisesAutores:Hugo D. Ortiz, Juan Camilo Anzieta, Julien Bernard, Ruizγ M., Silvia X. Vallejo, Williams-Jones G.Fuentes:googlescopusSource amplitudes of volcano-seismic signals determined by the amplitude source location method as a quantitative measure of event size
ArticleAbstract: The amplitude source location (ASL) method, which uses high-frequency amplitudes under the assumptioPalabras claves:Isotropic radiation, Magnitude, Scaling relation, scattering, Source amplitudeAutores:Figueroa M.S., Hugo D. Ortiz, Hugo Yepes, Kumagai H., Lacson R., Maeda Y., Mario C. Ruiz, Placios P., Yamashina T.Fuentes:scopus