Identification of low-frequency earthquakes in non-volcanic tremor using the subspace detector method

Geophysical Research Letters

Volumn 37, Issue 6, 2010, Pages

  MacEira, M ^a   Rowe, C A ^a   Beroza, G ^b   Anderson, D ^a  

^a LOS ALAMOS NATIONAL LABORATORY   (United States)

^b STANFORD UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BASIS VECTOR; BOREHOLE STATIONS; LINEAR COMBINATIONS; LOW-FREQUENCY EARTHQUAKES; MATRIX; NON-VOLCANIC TREMORS; SIGNAL POLARIZATION; SUBSPACE DETECTORS; TEMPLATE WAVEFORM; TREMOR DETECTION;

DETECTORS; EARTHQUAKES; POLARIZATION; SINGULAR VALUE DECOMPOSITION; VOLCANOES;

SIGNAL DETECTION;

BOREHOLE; EARTHQUAKE INTENSITY; POLARIZATION; VOLCANIC EARTHQUAKE; WAVEFORM ANALYSIS;

JAPAN;

EID: 77949825522     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2009GL041876     Document Type: Article

References (27)

1. Aster, R. C, P. M. Shearer, and J. Berger (1990), Quantitative measurements of shear wave polarizations at the Anza seismic network, southern California: Implications for shear wave splitting and earthquake prediction, J. Geophys. Res., 95, 12,449-12,473.
2. Brown, J. R., D. R. Shelly, and G. C. Beroza (2008), An autocorrelation method to detect low frequency earthquakes within tremor, Geophys. Res. Lett, 35, L16305, doi:10.1029/2008GL034560.
3. Brown, J. R., G. C. Beroza, S. Ide, K. Ohta, D. R. Shelly, S. Y. Schwartz, W. Rabbel, M. Thorwart, and H. Kao (2009), Deep low-frequency earthquakes in tremor localize to the plate interface in multiple subduction zones, Geophys. Res. Lett, 36, L19306, doi:10.1029/2009GL040027.
4. Brudzinski, M. R., and R. M. Allen (2007), Segmentation in episodic tremor and slip all along Cascadia, Geology, 35, 907-910.
5. Dragert, H., K. Wang, and T. S. James (2001), A silent slip event on the deeper Cascadia subduction interface, Science, 292, 1525-1528.
6. Gillard, D., A. M. Rubin, and P. Okubo (1998), Highly concentrated seis-micity caused by deformation of Kilauea's deep magma system, Nature, 384, 343-346.
7. Harris, D. B. (1991), A waveform correlation method for identifying quarry explosions, Bull. Seismol. Soc. Am., 81, 2395-2418.
8. Harris, D. B., W. R. Walter, A. J. Rodgers, A. Sicherman, S. Myers, and C. Schultz (2001), LLNL detection program: Broad area characterization of phase detectability and empirical detectors for specific sources, paper presented at 23rd Seismic Research Review: Worldwide Monitoring of Nuclear Explosions, Natl. Nucl. Security Admin., Jackson Hole, Wyo., 2-5 Oct.
9. Ide, S., D. R. Shelly, and G. C. Beroza (2007), Mechanism of deep low frequency earthquakes: Further evidence that deep non-volcanic tremor is generated by shear slip on the plate interface, Geophys. Res. Lett., 34, L03308, doi:10.1029/2006GL028890. (Pubitemid 47277585)
10. Kao, H., S.-J. Shan, H. Dragert, G. Rogers, J. F. Cassidy, K. Wang, T. S. James, and K. Ramachandran (2006), Spatial-temporal patterns of seismic tremors in northern Cascadia, J. Geophys. Res., 111, B03309, doi:10.1029/2005JB003727. (Pubitemid 43670747)
11. Katsumata, A., and N. Kamaya (2003), Low-frequency continuous tremor around the Moho discontinuity away from volcanoes in the southwest Japan, Geophys. Res. Lett, 30(1), 1020, doi:10.1029/2002GL015981.
12. Johnson, N. L., and S. Kotz (1970), Continuous Univariate Distributions, John Wiley, New York.
13. La Rocca, M. et al. (2009), Cascadia tremor located near plate interface constrained by S minus P wave times, Science, 323, 620-623, doi:10.1126/science. 1167112.
14. Miller, M. M., T. Melbourne, D. J. Johnson, and W. Q. Sumner (2002), Periodic slow earthquakes from the Cascadia subduction zone, Science, 295, 2423.
15. Obara, K. (2002), Nonvolcanic deep tremor associated with subduction in southwest Japan, Science, 296, 1679-1681.
16. Obara, K. (2003), Hi net: High sensitivity seismograph network, Japan, in Methods and Applications of Signal Processing in Seismic Network Operations, Lect. Notes Earth Sci., vol.98, edited by T. Takanami and G. Kitagawa, pp. 79-88, Springer, Berlin.
17. Rogers, G., and H. Dragert (2003), Episodic tremor and slip on the Cascadia subduction zone: The chatter of silent slip, Science, 300, 1942-1943.
18. Rowe, C. A., R. C. Aster, B. Borchers, and C. J. Young (2002), An automatic, adaptive algorithm for refining phase picks in large seismic data sets, Bull. Seismol. Soc. Am., 92, 1660-1674.
19. Rowe, C. A., J. K. MacCarthy, F. Giudicepietro, S. Scarpetta, and S. Taylor (2005), Seismic event identification using scanning detection: A comparison of denoising and classification methods, Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abstract S33A 0302.
20. Rubin, A. M., D. Gillard, and J. L. Got (1999), Streaks of microearth-quakes along creeping faults, Nature, 400, 635-641.
21. Shearer, P. M. (1997), Improving local earthquake locations using the L1 norm and waveform cross correlation: Application to the Whittier Narrows, California, aftershock sequence, J. Geophys. Res., 102, 8269-8283.
22. Shearer, P. M. (1998), Evidence from a cluster of small earthquakes for a fault at 18 km depth beneath Oak Ridge, southern California, Bull. Seismol. Soc. Am., 88, 1327-1336.
23. Shelly, D. R., G. C. Beroza, S. Ide, and S. Nakamula (2006), Low frequency earthquakes in Shikoku, Japan, and their relationship to episodic tremor and slip, Nature, 442, 188-191.
24. Shelly, D. R., G. C. Beroza, and S. Ide (2007a), Non volcanic tremor and low frequency earthquake swarms, Nature, 446, 305-307, doi:10.1038/nature05666. (Pubitemid 46426163)
25. Shelly, D. R., G. C. Beroza, and S. Ide (2007b), Complex evolution of transient slip derived from precise tremor locations in western Shikoku, Japan, Geochem. Geophys. Geosyst., 8, Q10014, doi:10.1029/2007GC001640.
26. Szeliga, W., T. I. Melbourne, M. M. Miller, and V. M. Santillan (2004), Southern Cascadia episodic slow earthquakes, Geophys. Res. Lett., L16602, doi:10.1029/2004GL020824. (Pubitemid 39428495)
27. Wech, A. G., and K. C. Creager (2007), Cascadia tremor polarization evidence for plate interface slip, Geophys. Res. Lett., 34, L22306, doi:10.1029/2007GL031167.