Dynamic wedge failure reveals anomalous energy radiation of shallow subduction earthquakes

Earth and Planetary Science Letters

Volumn 375, Issue , 2013, Pages 113-122

  Ma, Shuo ^a   Hirakawa, Evan T ^a,b  

^a SAN DIEGO STATE UNIVERSITY   (United States)

^b UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Anomalous seismic radiation; Coulomb wedge theory; Dynamic pore pressure change; Rupture dynamics; Shallow subduction zone; Tsunami generation

Indexed keywords

COULOMB WEDGE THEORY; DYNAMIC PORE PRESSURE; SEISMIC RADIATION; SUBDUCTION ZONES; TSUNAMI GENERATION;

SEISMOLOGY; TECTONICS; VELOCITY;

FAULT SLIPS;

COSEISMIC PROCESS; EARTHQUAKE RUPTURE; FAILURE MECHANISM; PORE PRESSURE; SEAFLOOR; SLIP RATE; SUBDUCTION ZONE; THEORETICAL STUDY; TSUNAMI; UPLIFT;

CALLUNA VULGARIS; GASTROPODA;

EID: 84881542164     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.epsl.2013.05.016     Document Type: Article

References (52)

1. Abercrombie R.E., Antolik M., Felzer K., Ekstrom G. The 1994 Java tsunami earthquake: slip over a subducting seamount. J. Geophys. Res. 2001, 106(B4):6595-6607.
2. Ammon C.J., Kanamori H., Lay T., Velasco A.A. The 17 July 2006 Java tsunami earthquake. Geophys. Res. Lett. 2006, 33:L24308. 10.1029/2006GL028005.
3. Andrews D.J. Rupture dynamics with energy loss outside the slip zone. J. Geophys. Res. 2005, 110:B01307. 10.1029/2004JB003191.
4. Andrews D.J. Thermal pressurization explains enhanced long-period motion in the Chi-Chi earthquake. Eos Trans. AGU 2005, 86(52). Fall Meeting Supplement, Abstract S34A-04.
5. Backus G., Mulcahy M. Moment tensors and other phenomenological descriptions of seismic sources. I. Continuous displacements. Geophys. J. R. Astron. Soc. 1976, 46:341-361.
6. Bilek S.L., Engdahl E.R., DeShon H.R., El Hariri M. The 25 October 2010 Sumatra tsunami earthquake: slip in a slow patch. Geophys. Res. Lett. 2011, 38:L14306. 10.1029/2011GL047864.
7. Brocher T.M., Fuis G.S., Fisher M.A., Plafker G., Taber J.J., Christensen N.I. Mapping the megathrust beneath the northern Gulf of Alaska using wide-angle seismic data. J. Geophys. Res. 1994, 99:11663-11685.
8. Byrne D.E., Davis D.M., Sykes L.R. Loci and maximum size of thrust earthquakes and the mechanics of the shallow region of subduction zones. Tectonics 1988, 7:833-857. 10.1029/TC007i004p00833.
9. Dahlen F.A. Critical taper model of fold-and-thrust belts and accretionary wedges. Annu. Rev. Earth Planet. Sci. 1990, 18:55-99. 10.1146/annurev.ea.18.050190.000415.
10. Davis D., Suppe J., Dahlen F.A. Mechanics of fold-and-thrust belts and accretionary wedges. J. Geophys. Res. 1983, 88:1153-1172.
11. DeDontney N., Rice J.R. Tsunami wave analysis and possibility of splay fault rupture during the 2004 Indian Ocean earthquake. Pure Appl. Geophys. 2012, 169:1707-1735.
12. Dunham E.M., Belanger D., Cong L., Kozdon J.E. Earthquake ruptures with strongly rate-weakening friction and off-fault plasticity, Part 2: nonplanar faults. Bull. Seismol. Soc. Am. 2011, 101(5):2308-2322. 10.1785/0120100076.
13. Fujii Y., Satake K. Tsunami source of the 2004 Sumatra-Andaman earthquake inferred from tide gauge and satellite data. Bull. Seismol. Soc. Am. 2007, 97(1):S192-S207. 10.1785/0120050613.
14. Fujii Y., Satake K., Sakai S., Shinohara M., Kanzawa T. Tsunami source of the 2011 of the Pacific coast of Tohoku earthquake. Earth Planets Space 2011, 63:815-820. 10.5047/eps.2011.06.010.
15. Fujiwara T., Kodaira S., No T., Kaiho Y., Takahashi N., Kaneda Y. The 2011 Tohoku-Oki earthquake: displacement reaching the trench axis. Science 2011, 334:1240. 10.1126/science.1211554.
16. Fukuyama E. Radiation energy measured at earthquake source. Geophys. Res. Lett. 2005, 32:L13308. 10.1029/2005GL022698.
17. Harris R.A., Day S.M. Effects of a low-velocity zone on a dynamic rupture. Bull. Seismol. Soc. Am. 1997, 87(5):1267-1280.
18. W 7.8 Mentawai earthquake: very shallow source of a rare tsunami earthquake determined from tsunami field survey and near-field GPS data. J. Geophys. Res. 2012, 117:B06402. 10.1029/2012JB009159.
19. Huang Y., Ampuero J.-P. Pulse-like ruptures induced by low-velocity fault zones. J. Geophys. Res. 2011, 116:B12307. 10.1029/2011JB008684.
20. Kanamori H. Mechanism of tsunami earthquakes. Phys. Earth Planet. Inter. 1972, 6:246-259.
21. Kanamori H., Rivera L., Lee W.H.K. Historical seismograms for unreavelling a mysterious earthquake: the 1907 Sumatra earthquake. Geophys. J. Int. 2010, 183:358-374. 10.1111/j.1365-246X.2010.004731.x.
22. Kostrov B.V. Seismic moment and energy of earthquakes, and seismic flow of rock (translated to English). Izv. Earth Phys. 1974, 1:23-40.
23. Lay T., Bilek S. Anomalous earthquake ruptures at shallow depths on subduction zone megathrusts. The Seismogenic Zone of Subduction Thrust Faults 2007, 476-511. Columbia University Press, New York, NY. D.H. Dixon, J.C. Moore (Eds.).
24. Lay T.H., Kanamori C.A., Ammon K.D., Koper A.R., Hutko L., Ye H., Yue, Rushing T.M. Depth-varying rupture properties of subduction zone megathrust faults. J. Geophs. Res. 2012, 117:B04311. 10.1029/2011JB009133.
25. W 7.6). Geophys. Res. Lett. 2003, 30(5):1244. 10.1029/2002GL015380.
26. Ma S., Archuleta R.J. Radiated seismic energy based on dynamic rupture models of faulting. J. Geophys. Res. 2006, 111:B05315. 10.1029/2005JB004055.
27. Ma S., Beroza G.C. Rupture dynamics on a bi-material interface for dipping faults. Bull. Seismol. Soc. Am. 2008, 98:1642-1658. 10.1785/0120070201.
28. Ma S., Andrews D.J. Inelastic off-fault response and three-dimensional earthquake rupture dynamics on a strike-slip fault. J. Geophys. Res. 2010, 115:B04304. 10.1029/2009JB006382.
29. Ma S. A physical model for widespread near-surface and fault zone damage induced by earthquakes. Geochem. Geophys. Geosyst. 2008, 9:Q11009. 10.1029/2008GC002231.
30. Ma S. Distinct asymmetry in rupture-induced inelastic strain across dipping faulting: an off-fault yielding model. Geophys. Res. Lett. 2009, 36:L20317. 10.1029/2009GL040666.
31. Ma S. A self-consistent mechanism for slow dynamic deformation and tsunami generation for earthquakes in the shallow subduction zone. Geophys. Res. Lett. 2012, 39:L11310. 10.1029/2012GL051854.
32. 0 discriminant for tsunami earthquakes. J. Geophys. Res. 1998, 103(B11):26885-26898. 10.1029/98JB02236.
33. Newman A.V., Hayes G., Wei Y., Convers J. The 25 October 2010 Mentawai tsunami earthquake, from real-time discriminants, finite-fault rupture, and tsunami excitation. Geophys. Res. Lett. 2011, 38:L05302. 10.1029/2010GL046498.
34. Noda H., Lapusta N. Stable creeping fault segments can become destructive as a result of dynamic weakening. Nature 2013, 493. 10.1038/nature11703.
35. Oglesby D.D., Archuleta R.J., Nielsen S.B. Earthquakes on dipping faults: the effects of broken symmetry. Science 1998, 280:1055-1059. 10.1126/science.280.5366.1055.
36. Pelayo A.M., Wiens D.A. Tsunami earthquakes: slow thrust-faulting events in the accretionary wedge. J. Geophys. Res. 1992, 97:15321-15337.
37. Plafker, G. (1969), Tectonics of the March 27, 1964, Alaska Earthquake: U.S. Geological Survey Professional Paper 543-I, 74 pp.
38. Plafker, G., Savage, J.C., 2010. Comparisons of Near-Field Tsunami Characteristics of Giant (M>9) Earthquakes in Chile (1960), Alaska (1964), and Sumatra (2004). Program and abstracts of the Second Tsunami Source Workshop, July 19-20, 2010: U.S. Geological Survey Open-File Report 2010-1152, 33 pp.
39. Polet J., Kanamori H. Shallow subduction zone earthquakes and their tsunamigenic potential. Geophys. J. Int. 2000, 142:684-702. 10.1046/j.1365-246x.2000.00205.x.
40. Rivera L., Kanamori H. Representations of the radiated energy in earthquakes. Geophys. J. Int. 2005, 162:148-155. 10.1111/j.1365-246X.2005.02648x.
41. Satake K., Tanioka Y. Sources of tsunami and tsunamigenic earthquakes in subduction zones. Pure Appl. Geophys. 1999, 154:467-483.
42. Scholz C.H. Earthquakes and friction laws. Nature 1998, 391:37-42. 10.1038/34097.
43. Seno T. The 21 September, 1999 Chi-Chi earthquake in Taiwan: implications for tsunami earthquakes. Terr. Atmos. Oceanic Sci. 2000, 11:701-708.
44. Shi B.P., Annoshehpoor A., Brune J.N., Zeng Y. Dynamics of thrust faulting: 2D lattice model. Bull. Seismol. Soc. Am. 1998, 88:1484-1494.
45. Shi Z., Day S.M. Rupture dynamics and ground motion from 3-D rough-fault simulations. J. Geophys. Res. 2013, 118:1-20. 10.1002/jgrb.50094.
46. Tanioka Y, Seno T. The sediment effect on tsunami generation of the 1896 Sanriku tsunami earthquake. Geophys. Res. Lett. 2001, 28:3389-3392.
47. Venkataraman A., Kanamori H. Observational constraints on the fracture energy of subduction zone earthquakes. J. Geophys. Res. 2004, 109:B05302. 10.1029/2003JB002549.
48. Viesca R.C., Templeton E.L., Rice J.R. Off-fault plasticity and earthquake rupture dynamics, 2. Case of saturated off-fault materials. J. Geophys. Res. 2008, 113:B09307. 10.1029/2007JB005530.
49. Wang K., Davis E.E. Theory for the propagation of tidally induced pore pressure variations in layered subseafloor formations. J. Geophys. Res. 1996, 101(B5):11483-11495. 10.1029/96JB00641.
50. Wang K., Hu Y. Accretionary prisms in subduction zone cycles: the theory of dynamic Coulomb wedge. J. Geophys. Res. 2006, 111:B06410. 10.1029/2005JB004094.
51. Yao H., Shearer P.M., Gerstoft P. Compressive sensing of frequency-dependent seismic radiation from subduction zone megathrust ruptures. Proc. Natl. Acad. Sci. 2013, 110:4512-4517. 10.1073/pnas.1212790110.
52. Yao Q., Ma S. Biases in the coseismic slip models of shallow subduction zone earthquakes induced by using elastic Green's functions. Eos Trans. AGU 2012, xx(xx). Fall Meeting Supplement, Abstract S33A-2497.