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Seismic 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:scopusSeismic, petrologic, and geodetic analyses of the 1999 dome-forming eruption of Guagua Pichincha volcano, Ecuador
ArticleAbstract: Guagua Pichincha, located 14 km west of Quito, Ecuador, is a stratovolcano bisected by a horseshoe-sPalabras claves:Al-in-hornblende geobarometer, Deformation, Dome-forming eruption, Finite-difference method, TomographyAutores:García-Aristizábal A., Hugo Yepes, Kumagai H., Monzier M., Pablo Samaniego Ponce, Patricia A. MothesFuentes: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: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:googlescopusThree-dimensional P-wave velocity structure of Tungurahua Volcano, Ecuador
ArticleAbstract: Tungurahua Volcano in the Ecuadorian Andes is a large andesitic stratovolcano (5023 m) that has beenPalabras claves:Conduit, dike, Finite-difference method, Magma, TomographyAutores:Hall M.L., Indira Molina, Kumagai H., LePennec J.L.Fuentes:scopus