Tsunami earthquake generation by the release of gravitational potential energy

Earth and Planetary Science Letters

Volumn 345-348, Issue , 2012, Pages 1-8

  McKenzie, Dan ^a   Jackson, James ^a  

^a UNIVERSITY OF CAMBRIDGE   (United Kingdom)

Author keywords

Earthquakes; Normal faults; Tsunami: gravitational energy

Indexed keywords

ACCRETIONARY WEDGE; ELASTIC STRAIN; GRAVITATIONAL ENERGY; GRAVITATIONAL POTENTIAL ENERGY; LARGE DISPLACEMENTS; NORMAL FAULTS;

EARTHQUAKES; GRAVITATION; POTENTIAL ENERGY; TSUNAMIS;

FAULTING;

AFTERSHOCK; EARTHQUAKE MECHANISM; NORMAL FAULT; STRAIN; TOHOKU EARTHQUAKE 2011; TRENCH; TSUNAMI;

EID: 84864070142     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.epsl.2012.06.036     Document Type: Article

References (33)

1. Abercrombie R.E., Antolik M., Felzer K., Ekström G. The 1994 java tsunami earthquake: slip over a subducting seamount. J. Geophys. Res. 2001, 106:6595-6607.
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. Asano Y., Saito T., Ito Y., Shiomi K., Hirose H., Matsumoto T., Aoi S., Hori S., Sekiguchi S. Spatial distribution and focal mechanisms of aftershocks of the 2011 off the Pacific coast of Tohoku Earthquake. Earth Planets Space 2011, 63:669-673.
4. Beaumont C., Jamieson R.A., Nguyen M.H., Lee B. Himalayan tectonics explained by extrusion of a low-viscosity crustal channel coupled to focused surface denudation. Nature 2001, 414:738-742.
5. Bilek S.L., Lay T. Tsunami earthquakes possibly widespread manifestations of frictional conditional stability. Geophys. Res. Lett. 2002, 29(14):1673. 10.1029/2002GL015215.
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.
7. Briggs R.W., et al. Deformation and slip along the sunda megathrust in the great 2005 nias-simeulue earthquake. Science 2006, 311:1897-1901.
8. Copley A., McKenzie D. Models of crustal flow in the India-Asia collision zone. Geophys. J. Int. 2007, 169:683-698.
9. Copley A., Boait F., Hollingsworth J., Jackson J., McKenzie D. Sub-parallel thrust and normal faulting in Albania and the role of gravitational potential energy and rheology contrasts in mountain belts. J. Geophys. Res. 2009, 114. http://dx.doi.org/10.1029/2008JB005931.
10. Dahlen F.A. Noncohehesive critical coulomb wedges: an exact solution. J. Geophys. Res. 1984, 89:10125-10133.
11. Dalmayrac B., Molnar P. Parallel thrust and normal faulting in Peru and constraints on the state of stress. Earth Planet Sci. Lett. 1981, 55:473-481.
12. Davies D.J., Suppe J., Dahlen F.A. Mechanics of fold-and-thrust belts and accretionary wedges. J. Geophys. Res. 1983, 88:1153-1172.
13. Engdahl E.R., van der Hilst R., Buland R. Global earthquake relocation with improved travel times and procedures for depth determination. Bull. Seism. Soc. Am. 1998, 88:722-743.
14. England P., McKenzie D. A thin viscous sheet model for continental deformation. Geophys. J. R. Astr. Soc. 1982, 70:295-321.
15. w 7.8 Mentawi 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.
16. Hsu Y.-J., et al. Frictional afterslip following the 2005 nias-simeulue earthquake sumatra. Science 2006, 312:1921-1926.
17. Ito Y., Tsuji T., Osada Y., Kido M., Inazu D., Hayashi Y., Tsushima H., Hino R., Fujimoto H. Frontal wedge deformation near the source region of the 2011 Tohoku-Oki earthquake. Geophys. Res. Lett. 2011, 38:L00G05. 10.1029/2011GL048355.
18. Kanamori H. Mechanism of tsunami earthquakes. Phys. Earth planet. Int. 1972, 6:346-359.
19. Kanamori H., Kikuchi M. The 1992 Nicaragua earthquake: a slow tsunami earthquake associated with subducted sediments. Nature 1993, 361:714-716.
20. Kawamura K., Sasaki T., Kanamatsu T., Sakaguchi A., Ogawa Y. Large submarine landslides in the Japan Trench: a new scenario for additional tsunami generation. Geophys. Res. Lett. 2012, 39:L05308. 10.1029/2011GL050661.
21. Kido M., Osada Y., Fujimoto H., Hino R., Ito Y. Trench-normal variation in observed seafloor displacements associated with the 2011 Tohoku-Oki earthquake. Geophys. Res. Lett. 2011, 38:L24303. 10.1029/2011GL050057.
22. w 7.8) and the tsunami hazard presented by shallow megathrust ruptures. Geophys. Res. Lett. 2011, 38:L06302.
23. Lamb H. Hydrodynamics 1930, Cambridge University Press, Cambridge, U.K. fifth ed.
24. Maeda T., Furumura T., Sakai S., Shinohara M. Significant tsunami observed at the ocean-bottom pressure gauges at 2011 off the pacific coast of Tohoku earthquake. Earth Planets Space 2011, 63:803-808. 10.5047/eps.2011.06.005.
25. McKenzie D., Nimmo F., Jackson J., Gans P.B., Miller E.L. Characteristics and consequences of flow in the crust. J. Geophys. Res. 2000, 105:11029-11046.
26. Newman A.V., Hayes G., Wei Y., Convers J. The 25 October 2010 Mentawi tsunami earthquake, from real-time discriminants, finite-fault rupture, and tsunami excitation. Geophys. Res. Lett. 2011, 38:L05302.
27. Polet J., Kanamori H. Shallow subduction zone earthquakes and their tsunamigenic potential. Geophys. J. Int. 2000, 142:684-702.
28. Royden L. Coupling and decoupling of crust and mantle in convergent zones: implications for strain partitioning in the crust. J. Geophys. Res. 1996, 101:17679-17705.
29. Smith W.H.F., Sandwell D.T. Global seafloor topography from satellite altimetry and ship depth soundings. Science 1997, 277:1957-1962.
30. Subarya C., et al. Plate-boundary deformation associated with the great Sumatra-Andaman earthquake. Nature 2006, 440:46-51.
31. Tsuji T., Ito Y., Kido M., Osada Y., Fujimoto H., Ashi J., Kinoshita M., Matsuoka T. Potential tsunamigenic faults of the 2011 off the Pacific coast of Tohoku Earthquake. Earth Planets Space 2011, 63:831-834.
32. Tsuji, T., Kanamatsu, T., Kawamura, K., Arai, K., Fujikura, K., Ito, Y., Ashi, J., Kinoshita, M., Matsuoka, T., 2011b. Fault system and dynamic seafloor deformation. Abstract U41D-02, AGU Meeting Fall 2011, San Francisco.
33. Ward S.N. Tsunami. The Encyclopedia of Solid Earth Geophysics 2011, 1473-1493. Van Norstrand-Reinhold, New York. H.K. Gupta (Ed.).