Mostrando 5 resultados de: 5
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Article(5)
Publisher
Journal of Volcanology and Geothermal Research(3)
Earth, Planets and Space(1)
Journal of Geophysical Research: Solid Earth(1)
Broadband seismic monitoring of active volcanoes using deterministic and stochastic approaches
ArticleAbstract: We systematically used two approaches to analyze broadband seismic signals for monitoring active volPalabras claves:Autores:Hugo Yepes, Indira Molina, Kumagai H., Maeda T., Mario C. Ruiz, Mayra Vaca, Nakano M., Placios P., Santiago Arrais, Yamashima T.Fuentes:googlescopusAn approach to source characterization of tremor signals associated with eruptions and lahars
ArticleAbstract: Tremor signals are observed in association with eruption activity and lahar descents. Reduced displaPalabras claves:Amplitude source location method, Ejecta volume, High-frequency seismic amplitude, Scaling relation, Volcano MonitoringAutores:Kumagai H., Maeda Y., Mario C. Ruiz, Patricia A. MothesFuentes:googlescopusSeismic tracking of lahars using tremor signals
ArticleAbstract: Debris flows, or lahars, frequently occur in volcanic regions and cause serious disasters to nearbyPalabras claves:Coda wave, Lahar monitoring, Location, Site amplification, TremorAutores:D. Barba, Kumagai H., Maeda T., Nakano M., Placios P.Fuentes:scopusSource 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:scopusSource process of very-long-period events accompanying long-period signals at Cotopaxi Volcano, Ecuador
ArticleAbstract: Renewed seismic activity of Cotopaxi, Ecuador, began in January 2001 with the increased number of loPalabras claves:crack model, degassing process, dike, long-period event, very-long-period event, Waveform inversionAutores:García-Aristizábal A., Indira Molina, Kumagai H., Nakano M., Patricia A. MothesFuentes:googlescopus