Analyses of unusual long-period earthquakes with extended coda recorded at Katmai National Park, Alaska, USA

Geophysical Research Letters

Volumn 33, Issue 7, 2006, Pages

  De Angelis, Silvio ^a  

^a UNIVERSITY OF ALASKA FAIRBANKS   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CURVE FITTING; DAMPING; DATA RECORDING; EARTHQUAKES; ESTIMATION; MATHEMATICAL MODELS; VOLCANOES; WAVEFORM ANALYSIS;

AZIMUTH; QUASI-MONOCHROMATIC CHARACTER;

SEISMOLOGY;

CODA; EARTHQUAKE EVENT; EARTHQUAKE SWARM; SEISMIC DATA; SPECTRAL ANALYSIS; WAVEFORM ANALYSIS;

ALASKA; KATMAI NATIONAL PARK; NORTH AMERICA; UNITED STATES;

EID: 33646838821     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2005GL025581     Document Type: Article

References (22)

1. Aki, K., and P. G. Richards (1980), Quantitative Seismology, W. H. Freeman, New York.
2. Bullen, K. E., and B. Bolt (1985), An Introduction to the Theory of Seismology, Cambridge Univ. Press, New York.
3. Chouet, B., G. Saccorotti, M. Martini, P. Dawson, G. De Luca, G. Milana, and R. Scarpa (1997), Source and path effects in the wave fields of tremor and explosions at Stromboli Volcano, Italy, J. Geophys. Res., 102(B7), 15,129-15,150, doi:10.1029/97JB00953.
4. Gil-Cruz, F., and B. Chouet (1997), Long-period events, the most characteristic seismicity accompanying the emplacement and extrusion of a lava dome in Galeras volcano, Colombia, in 1991, J. Volcanol. Geotherm. Res., 77, 121-158.
5. Gomez, D. M., R. A. Torres, D. Seidl, M. Hellweg, and H. Rademacher (1999), Tornillo seismic events at Galeras Volcano, Colombia: A summary from broadband new measurements, Ann. Geofis., 42, 365 - 378.
6. Hagerty, M., and R. Benites (2003), Tornillos beneath Tongariro Volcano, New Zealand, J. Volcanol. Geotherm. Res., 125, 151-169.
7. Hamada, N., H. Jingu, and K. Ikumoto (1976), On the volcanic earthquakes with slowly decaying coda wave (in Japanese with summary, tables and captions in English), Bull. Volcanol. Soc. Jpn., 21, 17-183.
8. Hildreth, W., and J. Fierstein (2000), Katmai volcanic cluster and the great eruption of 1912, Geol. Soc. Am. Bull., 112, 1594-1620.
9. Howe, M. S. (1976), On the Helmholtz resonator, J. Sound Vib., 45, 427-440.
10. Julian, B. R. (1994), Volcanic tremor: Nonlinear excitation by fluid flow, J. Geophys. Res., 99, 11,859-11,877.
11. Julian, B. R. (2000a), Period doubling and other non-linear phenomena in volcanic earthquakes and tremor, J. Sound Vib., 45, 427-440.
12. Julian, B. R. (2000b), Period doubling and other non-linear phenomena in volcanic earthquakes and tremor, J. Volcanol. Geotherm. Res., 101, 19-26.
13. Jolly, A. D., and S. R. McNutt (1999), Relationship between b-values and maximum depths of seismicity at Martin and Mageik volcanoes, Katmai National Park, Alaska; July 1995-December 1997, J. Volcanol. Geotherm. Res., 93, 173-190.
14. Kieffer, S. W. (1977), Sound speed in liqiuid-gas mixtures: Water-air and water steam, J Geophys. Res., 20, 822895-2904.
15. Kanasewich, E. R. (1981), Time Sequence Analyses in Geophysics, 480 pp., Univ. of Alberta Press, Edmonton, Alberta, Canada.
16. Kumagai, H., and B. Chouet (1999), The complex frequencies of long-period seismic events as probes of fluid composition beneath volcanoes, Geophys. J. Int., 138, F7-F12.
17. Kumagai, H., B. A. Chouet, and M. Nakano (2002), Temporal evolution of a hydrothermal system in Kusatsu-Shirane Volcano, Japan, inferred from the complex frequencies of long-period events, J. Geophys. Res., 107(B10), 2236, doi:10.1029/2001JB000653.
18. Montalbetti, J. F., and E. R. Kanasewich (1970), Enhancement of teleseismic body phases with a polarization filter, Geophys. J R. Astron. Soc., 21, 119-129.
19. Nuttli, O. (1961), The effect of the Earth's surface on the S wave particle motion, Bull. Seismol. Soc. Am., 51, 237-246.
20. Seidl, D., and M. Hellweg (1991), Volcanic tremor recordings: Polarization analyses, in Volcanic Tremor and Magma Flow, edited by R. Schick and R. Mugiono, pp. 31-46, Forschungszentrum Julich, Julich.
21. Seidl, D., and M. Hellweg (2003), Parametrization of multichromatic tornillo signals observed at Galeras Volcano (Colombia), J. Volcanol. Geotherm. Res., 125, 171 - 189, doi:10.1016/S0377.
22. Seidl, D., M. Hellweg, H. Rademacher, D. M. Gomez, and R. A. Torres (1999), The anatomy of a tornillo: Puzzles from three component measurements at Galeras Volcano (Colombia), Ann. Geofis., 42, 355-364.