Ascending seismic source during an explosive eruption at Tungurahua volcano, Ecuador

Geophysical Research Letters

Volumn 38, Issue 1, 2011, Pages

  Kumagai, Hiroyuki ^a   Placios, Pablo ^b   Ruiz, Mario ^b   Yepes, Hugo ^b   Kozono, Tomofumi ^a  

^a NATIONAL RESEARCH INSTITUTE FOR EARTH SCIENCE AND DISASTER PREVENTION   (Japan)

^b ESCUELA POLITÉCNICA NACIONAL   (Ecuador)

Author keywords

[No Author keywords available]

Indexed keywords

SEISMOLOGY; VOLCANOES; WAVE PROPAGATION;

ECUADOR; EXPLOSIVE ERUPTION; HIGH FREQUENCY HF; LOW-FREQUENCY SIGNALS; MAGMA SURFACE; PRESSURE DISTURBANCE; PRESSURE WAVES; S-WAVE VELOCITY; SEISMIC AMPLITUDES; SEISMIC SOURCE; SEISMIC TECHNIQUE; SHALLOW DEPTHS; SOURCE LOCATION; SOURCE PROCESS; TUNGURAHUA VOLCANO; WAVEFORM INVERSION;

EXPLOSIVES;

AMPLITUDE; FRAGMENTATION; FREQUENCY ANALYSIS; ISOTROPY; MAGMA; S-WAVE; SEISMIC ANISOTROPY; VOLCANIC ERUPTION; WAVEFORM ANALYSIS;

ECUADOR; TUNGURAHUA; TUNGURAHUA VOLCANO;

EID: 78751499443     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2010GL045944     Document Type: Article

References (25)

1. Alidibirov, M., and D. B. Dingwell (1996), Magma fragmentation by rapid decompression, Nature, 380, 146-148, doi:10.1038/380146a0. (Pubitemid 26468701)
2. Battaglia, J., and K. Aki (2003), Location of seismic events and eruptive fissures on the Piton de la Fournaise volcano using seismic amplitudes, J. Geophys. Res., 108(B8), 2364, doi:10.1029/2002JB002193.
3. Battaglia, J., J.-L. Got, and P. Okubo (2003), Location of long-period events below Kilauea Volcano using seismic amplitudes and accurate relative relocation, J. Geophys. Res., 108(B12), 2553, doi:10.1029/2003JB002517.
4. Chouet, B. (1986), Dynamics of a fluid-driven crack in three dimensions by the finite difference method, J. Geophys. Res., 91, 13,967-13,992, doi:10.1029/JB091iB14p13967.
5. Chouet, B., P. Dawson, and A. Arciniega-Ceballos (2005), Source mechanism of Vulcanian degassing at Popocatpetl Volcano, Mexico, determined from waveform inversions of very long period signals, J. Geophys. Res., 110, B07301, doi:10.1029/2004JB003524. (Pubitemid 41358545)
6. Fee, D., M. Garces, and A. Steffke (2010), Infrasound from Tungurahua Volcano 2006-2008: Strombolian to Plinian eruptive activity, J. Volcanol. Geotherm. Res., 193, 67-81, doi:10.1016/j.jvolgeores.2010.03.006.
7. Gresta, S., M. Ripepe, E. Marchetti, S. D'Amico, M. Coltelli, A. J. L. Harris, and E. Privitera (2004), Seismoacoustic measurements during the July-August 2001 eruption of Mt. Etna volcano, Italy, J. Volcanol. Geotherm. Res., 137, 219-230, doi:10.1016/j.jvolgeores.2004.05.017. (Pubitemid 40564113)
8. Ichihara, M., D. Rittel, and B. Sturtevant (2002), Fragmentation of a porous viscoelastic material: Implications to magma fragmentation, J. Geophys. Res., 107(B10), 2229, doi:10.1029/2001JB000591.
9. Kanamori, H., J. Given, and T. Lay (1984), Analysis of seismic body waves excited by the Mount St. Helens eruption of May 18, 1980, J. Geophys. Res., 89, 1856-1866, doi:10.1029/JB089iB03p01856.
10. Kieffer, S. (1977), Sound speed in liquid-gas mixtures: Water-air and water-steam, J. Geophys. Res., 82, 2895-2904, doi:10.1029/JB082i020p02895.
11. Koyaguchi, T., and N. K. Mitani (2005), A theoretical model for fragmentation of viscous bubbly magmas in shock tubes, J. Geophys. Res., 110, B10202, doi:10.1029/2004JB003513. (Pubitemid 43009986)
12. Kumagai, H., et al. (2007), Enhancing volcano-monitoring capabilities in Ecuador, Eos Trans. AGU, 88(23), 245-246, doi:10.1029/2007EO230001. (Pubitemid 47040102)
13. Kumagai, H., P. Palacios, T. Maeda, D. Barba Castillo, and M. Nakano (2009), Seismic tracking of lahars using tremor signals, J. Volcanol. Geotherm. Res., 183, 112-121, doi:10.1016/j.jvolgeores.2009.03.010.
14. Kumagai, H., M. Nakano, T. Maeda, H. Yepes, P. Palacios, M. Ruiz, S. Arrais, M. Vaca, I. Molina, and T. Yamashina (2010), Broadband seismic monitoring of active volcanoes using deterministic and stochastic approaches, J. Geophys. Res., 115, B08303, doi:10.1029/2009JB006889.
15. Mader, H. M., Y. Zhang, J. C. Phillips, R. S. J. Sparks, B. Sturtevant, and E. Stolper (1994), Experimental simulations of explosive degassing of magma, Nature, 372, 85-88, doi:10.1038/372085a0. (Pubitemid 24341460)
16. Molina, I., H. Kumagai, J.-L. Le Pennec, and M. Hall (2005), Three- dimensional P wave velocity structure of Tungurahua Volcano, Ecuador, J. Volcanol. Geotherm. Res., 147, 144-156, doi:10.1016/j. jvolgeores.2005.03.011.
17. Nishimura, T. (1998), Source mechanisms of volcanic explosive earthquake: Single force and implosive sources, J. Volcanol. Geotherm. Res., 86, 97-106, doi:10.1016/S0377-0273(98)00088-2. (Pubitemid 29070554)
18. Nishimura, T. (2004), Pressure recovery in magma due to bubble growth, Geophys. Res. Lett., 31, L12613, doi:10.1029/2004GL019810. (Pubitemid 39384101)
19. Nishimura, T., and B. Chouet (2003), A numerical simulation of magma motion, crustal deformation, and seismic radiation associated with volcanic eruptions, Geophys. J. Int., 153, 699-718, doi:10.1046/j.1365-246X.2003.01936.x. (Pubitemid 36751360)
20. Ohminato, T., M. Takeo, H. Kumagai, T. Yamashina, J. Oikawa, E. Koyama, H. Tsuji, and T. Urabe (2006), Vulcanian eruptions with dominant single force components observed during the Asama 2004 volcanic activity in Japan, Earth Planets Space, 58, 583-593.
21. Ripepe, M., S. Ciliberto, and M. D. Schiava (2001), Time constraints for modeling source dynamics of volcanic explosions at Stromboli, J. Geophys. Res., 106, 8713-8727, doi:10.1029/2000JB900374.
22. Takei, Y., and M. Kumazawa (1994), Why have the single force and torque been excluded from seismic source models?, Geophys. J. Int., 118, 20-30, doi:10.1111/j.1365-246X.1994.tb04672.x.
23. Tameguri, T., M. Iguchi, and K. Ishihara (2002), Mechanism of explosive eruptions from moment tensor analyses of explosion earthquakes at Sakurajima Volcano, Japan, Bull. Volcanol. Soc. Jpn., 47, 197-216.
24. Turcotte, D. L., H. Ockendon, J. R. Ockendon, and S. J. Cowley (1990), A mathematical model of vulcanian eruptions, Geophys. J. Int., 103, 211-217, doi:10.1111/j.1365-246X.1990.tb01763.x.
25. Uhira, K., and M. Takeo (1994), The source of explosive eruptions of Sakurajima volcano, Japan, J. Geophys. Res., 99, 17,775-17,789, doi:10.1029/94JB00990.