Algunas características espectrales de la sismicidad asociada a la actividad del Volcán de Colima
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Abstract
A temporary network of digital, three component seismographs was installed from 5th to 15th March in order to monitor the seismicity associated to the activity of the Colima volcano. The events recorded during these ten days were classified by their waveform and/or direct field observations. All the events were analyzed in the frequency domain using FFT to compute Fourier spectra, which wcre corrected for si te effects. Four differcnt typcs of events were observed: B low and high frequency, harrnonic tremors and avalanche trcmors. Spectra of type B high frequency events show a miximum at 5 Hz, whereas type B low frequency
events show a clear peak at 2 Hz, with a characteristic shape. Harmonic tremor spectra show two well defined peaks, but at frequencies that vary between 3 and 1 O Hz. Wc note that the frequency of occurrence of the second peak, of lower amplitude, is always double that of the main peak. Finally, avalanche tremors show a single maximum at 3 Hz, with frequency content distributed in a wider band than that of the preceding types.
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References
AKI, K., S. FEHLER y S. DAS, 1977. Source mechanism of volcanic tremor: fluid-driven crack models and their application to the 1963 Kilauea eruption. J. Volcanol. Geotherm. Res., 2, 259-287. DOI: https://doi.org/10.1016/0377-0273(77)90003-8
BANKS, N. G., R. I. TILLING, D. H. HARLOW y J. W. EWERT, 1989. Volcano monitoring and short-term forecasts, In: R. I. Tilling (Editor), Volcanic Hazards: American Geophysical Union, Washington, p. 51-80. DOI: https://doi.org/10.1029/SC001p0051
CASTELLANOS, G., G. ORNELAS, C. RAMIREZ, G. REYES, H. TAMEZ, Z. JIMENEZ y F. NUÑEZ-CORNU, 1989. Resultados preliminares de la Red Telemetrizada de Colima (RESCO), GEOS, 9-4, 479-487.
CHOUET, B., 1988. Resonance of a fluid-driven crack: Radiation properties and implications for the source of long-period events and harmonic tremor. J. Volcanol. Geotherm. Res., 93, 4375-4400. DOI: https://doi.org/10.1029/JB093iB05p04375
CICT y RESCO, 1992. Colima, Bulletin of the Global Volcanism Network, 17-2, 9-10.
GONZALEZ, G., A. MARTIN DEL POZZO, J. PANOHAYA y J. DE GANTE, 1993. Estudio de la sismicidad y deformación del volcán de Colima durante la crisis de abril de 1991, Geofísica Internacional, 32, 4. DOI: https://doi.org/10.22201/igeof.00167169p.1993.32.4.611
GRESTA, S. y G. PATANE, 1987. Review of seismological studies at Mount Etna, Pageoph, 125-6, 951-970. DOI: https://doi.org/10.1007/BF00879362
HAVSKOV, J., S. DE LA CRUZ, S. K. SINGH., F. MEDINA y C. GUTIERREZ, 1983. Seismic activity related to the March-April, 1982 eruption of El Chichon volcano, Chiapas, Mexico, Geophys. Res. Lett., 10, 293-296. DOI: https://doi.org/10.1029/GL010i004p00293
KADOMURA, H., H. OKADA, T. IMAGAW A, I. MORIYA y H. Y AMAMOTO, 1983. Erosion and mass movements on Mt. Usu accelerated by crustal deformation that accompanied its 1977-1982 volcanism, Natural Disaster Science, 5-2, 33-62.
KUBOTERA, A., 1974. Volcanic tremors at Aso volcano, In: L. Civetta, P. Gasparini, G. Luongo and A. Rapolla (Editors), Physical Volcanology: Elsevier, Amsterdam, p. 29-48. DOI: https://doi.org/10.1016/B978-0-444-41141-9.50008-5
LERMO, J., M. RODRIGUEZ y S. K. SINGH, 1988. Natural period of sites in the valley of Mexico from microtremor measurements. Earthquake Spectra., 4, 805-814. DOI: https://doi.org/10.1193/1.1585503
MALONE, S. D., 1983. Volcanic earthquakes: examples from Mount St. Helens, In: Earthquakes: Observation, Theory and Interpretation, LXXXV Corso, Soc. Italiana di Física, Bologna, Italy, p. 436-455.
MARTIN DEL POZZO, A. L. y V. H. ROMERO, 1989. El Volcán de Colima: Un estudio sobre el riesgo, Litosfera, 2, 43-55.
MARTIN DEL POZZO, A. L., D. BARRERA, J. GONZALEZ, R. MACIEL, J. PANAHAYA y F. SANCHEZ. (UNAM, U. de G.), 1991. Reporte de la actividad del Volcán de Colima.
MARTINELLI, B., 1990. Analysis of patterns observed at Nevado del Ruiz volcano, Colombia during August-September 1985, J. Volcanol. Geotherm. Res., 41, 297-314. DOI: https://doi.org/10.1016/0377-0273(90)90093-U
MINAKAMI, T., S. UTIBORI, S. HIRAGA, T. MIYAZAKI, N. GYODA y T. UTSUNOMIYA, 1970. Seismometrical studies of volcano Asama, pt. 1: Earthquake Research Institute Bulletin, Tokyo University, 48, 235-301.
MINAKAMI, T., 1974. Seismology of volcanoes in Japan, In: L. Civetta, P. Gasparini, G. Luongo y A. Rapolla (Editors), Physical Volcanology, Elsevier, Amsterdam, p. 1-27. DOI: https://doi.org/10.1016/B978-0-444-41141-9.50007-3
NAVA, E. y H. MIJARES, 1991. Calibración y acondicionamiento de sismógrafos digitales PRS4-EDA, Informe interno del Instituto de Ingeniería, UNAM, México, D. F., en preparación.
NAVA, F ., F. NUÑEZ-CORNU, Z. JIMENEZ, I. YOKOYAMA, S. DE LA CRUZ, G. ORNELAS, G. REYES, J. HERNANDEZ, R. GARCIA-ARTHUR, A. RAMIREZ y H. TAMEZ (1991). Hipos, Bsitos y tremores del Volcán de Colima durante el episodio eruptivo de 1991, GEOS, 11, 23-24.
NcNUTT, S. R., 1986. Observations and analysis of B-tipe earthquakes, explotions, and volcanic tremor at Pavlof volcano, Alaska, Bull. Seism. Soc. Am., 76, 153-175.
NUÑEZ-CORNU, F. y A. NAVA, 1992. Sismicidad en el Volcán de Colima durante la erupción de 1991, GEOS, 12, 32.
NTEPE, N. y J. DOREL, 1990. Observations of seismic signals at Stromboli volcano, J. Volcanol. Geotherm. Res., 43,235-251. DOI: https://doi.org/10.1016/0377-0273(90)90054-J
RIUSCETTI, M., R. SCHICK y D. SEIDL, 1977. Spectral parameters of volcanic tremors at Etna, J. Volcanol. Geotherm. Res, 2, 289-298. DOI: https://doi.org/10.1016/0377-0273(77)90004-X
SINGH, S. K., J. LERMO, T. DOMINGUEZ, M. ORDAZ, J. M. ESPINOSA, E. MENA y R. QUAS, 1988. A study of relative amplification of seismic waves in the valley of Mexico with respect toa hill zone site. Earthquake Spectra, 4, 653-674. DOI: https://doi.org/10.1193/1.1585496
YOKOYAMA, I., 1988. Seismic energy releases from volcanoes, Bull. Volcanol. 50, 1-13. DOI: https://doi.org/10.1007/BF01047504