Tremor asperities in the transition zone control evolution of slow earthquakes

Journal of Geophysical Research: Solid Earth

Volumn 117, Issue 10, 2012, Pages

  Ghosh, Abhijit ^a   Vidale, John E ^b   Creager, Kenneth C ^b  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b UNIVERSITY OF WASHINGTON   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ASPERITY; EARTHQUAKE DAMAGE; EARTHQUAKE RUPTURE; FAULT PLANE; FAULT ZONE; MICROTREMOR; SLIP; SUBDUCTION ZONE; TRANSITION ZONE; ARRAY; SEISMOTECTONICS;

CASCADIA SUBDUCTION ZONE; PACIFIC OCEAN;

EID: 84867509950     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: 10.1029/2012JB009249     Document Type: Article

References (29)

1. Audet, P., M. G. Bostock, D. C. Boyarko, M. R. Brudzinski, and R. M. Allen (2010), Slab morphology in the Cascadia fore arc and its relation to episodic tremor and slip, J. Geophys. Res., 115, B00A16, doi:10.1029/ 2008JB006053.
2. Crosson, R. S. (1976), Crustal structuremodeling of earthquake data: 2. Velocity structure of Puget Sound region, Washington, J. Geophys. Res., 81(17), 3047-3054, doi:10.1029/JB081i017p03047.
3. Gerstoft, P., and T. Tanimoto (2007), A year of microseisms in southern California, Geophys. Res. Lett., 34, L20304, doi:10.1029/2007GL031091. (Pubitemid 350303258)
4. Ghosh, A., J. E. Vidale, Z. Peng, K. C. Creager, and H. Houston (2009a), Complex nonvolcanic tremor near Parkfield, California, triggered by the great 2004 Sumatra earthquake, J. Geophys. Res., 114, B00A15, doi:10.1029/ 2008JB006062.
5. Ghosh, A., J. E. Vidale, J. R. Sweet, K. C. Creager, and A. G. Wech (2009b), Tremor patches at Cascadia revealed by array analysis, Geophys. Res. Lett., 36, L17316, doi:10.1029/2009GL039080.
6. Ghosh, A., J. E. Vidale, J. R. Sweet, K. C. Creager, A. G. Wech, and H. Houston (2010a), Tremor bands sweep Cascadia, Geophys. Res. Lett., 37, L08301, doi:10.1029/2009GL042301.
7. Ghosh, A., J. E. Vidale, J. R. Sweet, K. C. Creager, A. G. Wech, H. Houston, and E. E. Brodsky (2010b), Rapid, continuous streaking of tremor in Cascadia, Geochem. Geophys. Geosyst., 11, Q12010, doi:10.1029/2010GC003305.
8. Houston, H., B. G. Delbridge, A. G. Wech, and K. C. Creager (2011), Rapid tremor reversals in Cascadia generated by a weakened plate interface, Nat. Geosci., 4(6), 404-409, doi:10.1038/ngeo1157.
9. Ide, S. (2010), Striations, duration, migration and tidal response in deep tremor, Nature, 466(7304), 356-359, doi:10.1038/nature09251.
10. Ide, S., G. C. Beroza, D. R. Shelly, and T. Uchide (2007), A scaling law for slow earthquakes, Nature, 447(7140), 76-79, doi:10.1038/nature05780. (Pubitemid 46685844)
11. Ito, Y., K. Obara, K. Shiomi, S. Sekine, and H. Hirose (2007), Slow earthquakes coincident with episodic tremors and slow slip events, Science, 315(5811), 503-506, doi:10.1126/science.1134454. (Pubitemid 46175751)
12. Johnson, D. H., and D. E. Dudgeon (1993), Array Signal Processing: Concepts and Techniques, Prentice Hall, Englewood Cliffs, N. J.
13. Kao,H., S. J. Shan,H.Dragert,G.Rogers, J. F. Cassidy, andK.Ramachandran (2005), A wide depth distribution of seismic tremors along the northern Cascadia margin, Nature, 436(7052), 841-844, doi:10.1038/nature03903. (Pubitemid 41160641)
14. Lay, T., H. Kanamori, and L. Ruff (1982), The asperity model and the nature of large subduction zone earthquakes, Earthquake Predict. Res., 1(1), 3-71.
15. McCrory, P. A., J. L. Blair, D. H. Oppenheimer, and S. R. Walter (2006), Depth to the Juan de Fuca slab beneath the Cascadia subduction margin-A 3-D model sorting earthquakes, U.S. Geol. Surv. Data Ser., 91.
16. Obara, K. (2002), Nonvolcanic deep tremor associated with subduction in southwest Japan, Science, 296(5573), 1679-1681, doi:10.1126/science.1070378. (Pubitemid 34579163)
17. Obara, K. (2010), Phenomenology of deep slow earthquake family in southwest Japan: Spatiotemporal characteristics and segmentation, J. Geophys. Res., 115, B00A25, doi:10.1029/2008JB006048.
18. Obara, K. (2011), Characteristics and interactions between non-volcanic tremor and related slow earthquakes in the Nankai subduction zone, southwest Japan, J. Geodyn., 52(3-4), 229-248, doi:10.1016/j.jog.2011.04.002.
19. Obara, K., S. Tanaka, T. Maeda, and T. Matsuzawa (2010), Depthdependent activity of non-volcanic tremor in southwest Japan, Geophys. Res. Lett., 37, L13306, doi:10.1029/2010GL043679.
20. Preston, L. A., K. C. Creager, R. S. Crosson, T. M. Brocher, and A. M. Trehu (2003), Intraslab earthquakes: Dehydration of the Cascadia slab, Science, 302(5648), 1197-1200, doi:10.1126/science.1090751. (Pubitemid 37421021)
21. Rogers, G., and H. Dragert (2003), Episodic tremor and slip on the Cascadia subduction zone: The chatter of silent slip, Science, 300(5627), 1942-1943, doi:10.1126/science.1084783. (Pubitemid 36734599)
22. Rubin, A. M., D. Gillard, and J. L. Got (1999), Streaks of microearthquakes along creeping faults, Nature, 400(6745), 635-641, doi:10.1038/23196. (Pubitemid 29382560)
23. Rubinstein, J. L., M. La Rocca, J. E. Vidale, K. C. Creager, and A. G. Wech (2008), Tidal modulation of nonvolcanic tremor, Science, 319(5860), 186-189, doi:10.1126/science.1150558.
24. Shelly, D. R. (2010), Periodic, chaotic, and doubled earthquake recurrence intervals on the deep San Andreas Fault, Science, 328(5984), 1385-1388, doi:10.1126/science.1189741.
25. 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(7099), 188-191, doi:10.1038/nature04931. (Pubitemid 44086563)
26. Shelly, D. R., G. C. Beroza, and S. Ide (2007), Non-volcanic tremor and low-frequency earthquake swarms, Nature, 446(7133), 305-307, doi:10.1038/nature05666. (Pubitemid 46426163)
27. Szeliga, W., T. Melbourne, M. Santillan, and M. Miller (2008), GPS constraints on 34 slow slip events within the Cascadia subduction zone, 1997-2005, J. Geophys. Res., 113, B04404, doi:10.1029/2007JB004948.
28. Wech, A. G., and K. C. Creager (2008), Automated detection and location of Cascadia tremor, Geophys. Res. Lett., 35, L20302, doi:10.1029/2008GL035458.
29. Wessel, P., and W. H. F. Smith (1998), New improved version of generic mapping tools released, Eos Trans. AGU, 79(47), 579, doi:10.1029/98EO00426.