Abstract
We identify the key design aspects of a GPS-based system (and in the future, GNSS-based systems) that could contribute to real-time earthquake source determination and tsunami warning systems. Our approach is based on models of both transient and permanent displacement of GPS stations caused by large earthquakes, while considering the effect of GPS errors on inverted earthquake source parameters. Our main conclusions are that (1) the spatial pattern, magnitude, and timing of permanent displacement of GPS stations can be inverted for the earthquake source and so predict the 3D displacement field of the ocean bottom, thus providing the initial conditions for tsunami models, and (2) there are no inherently limiting factors arising from real-time orbit and positioning errors, provided sufficient near-field GPS stations are deployed. This signal could be readily exploited by GPS networks currently in place, and will be facilitated by the IGS Real-Time Project as it comes to fruition.
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References
Blewitt G, Heflin MB, Hurst KJ et al (1993) Absolute far-field displacements from the 28 June 1992 Landers earthquake sequence. Nature 361: 340–342. doi:10.1038/361340a0
Blewitt G, Altamimi Z, Davis JL et al (2006a) Geodetic observations and global reference frame contributions to understanding sea level rise and variability. In: Aarup T, Church J, Wilson S, Woodworth P (eds) Understanding sea-level rise and variability. World Climate Research Programme, Paris, pp 127–143
Blewitt G, Kreemer C, Hammond WC et al (2006b) Rapid determination of earthquake magnitude using GPS for tsunami warning systems. Geophys Res Lett 33: L11309. doi:10.1029/2006GL026145
Bock Y, Agnew DC, Fang P et al (1993) Detection of crustal deformation from the Landers earthquake sequence using continuous geodetic measurements. Nature 361: 337–340. doi:101038/361336a0
Choi K, Bilich A, Larson K, Axelrad P (2004) Modified sidereal filtering: implications for high-rate GPS positioning. Geophys Res Lett 31: L22608. doi:10.1029/2004GL021621
Dixon TH, Amelung F, Ferretti A et al (2006) Subsidence and flooding in New Orleans. Nature 441: 587–588. doi:10.1038/441587a
Dragert H, Schmidt M, Wang K, Bock Y (2005) A Canadian pilot project for a GPS augmented tsunami warning system. Eos Trans Am Geophys Union 86(Fall Meet Suppl):Abstr G13A-05
Geller RJ (1976) Scaling relations for earthquake source parameters and magnitudes. Bull Seismol Soc Am 66: 1501–1523
Hanks TC, Kanamori H (1979) A moment magnitude scale. J Geophys Res 84: 2348–2350
Kato T, Terada Y, Ito K et al (2005) Tsunami due to the 2004 September 5th off the Kii peninsula earthquake, Japan, recorded by a new GPS buoy. Earth Planets Space 57: 297–302
Kerr RA (2005) Failure to gauge the quake crippled the warning effort. Science 307: 201
Mazzotti S, Dragert H, Henton J et al (2003) Current tectonics of northern Cascadia from a decade of GPS measurements. J Geophys Res 108. doi:10.1029/2003JB002653
Menke W, Levin V (2005) A strategy to rapidly determine the magnitude of great earthquakes. Eos Trans Am Geophys Union 86: 185–189
Muellerschoen RJ, Reichert A, Kuang D et al (2001) Orbit determination with NASA’s high accuracy real-time Global Differential GPS System. In: Proceedings of ION GPS-2001, pp 2294–2303
Park J, Song TRA, Tromp J et al (2005) Earth’s free oscillations excited by the 26 December 2004 Sumatra-Andaman earthquake. Science 308: 1139–1144
Plag H-P, Zerbini S (2008) Geodetic observations help to understanding geohazards and mitigate disasters. Eos Trans Am Geophys Union 86. doi:10.1029/2008EO170003
Plag H-P, Rothacher M, Pearlman M et al (2008) The global geodetic observing system. Adv Geosci (in press)
Plag H-P (2006) GGOS and it user requirements, linkage and outreach. In: Tregoning P, Rizos C (eds) Dynamic planet—monitoring and understanding a dynamic planet with geodetic and oceanographic tools, Int Associ Geod Sympos, vol 130. Springer, Berlin, pp 711–718
Sobolev SV, Babeyko AY, Wang R et al (2007) Tsunami early warning using GPS-Shield arrays. J Geophys Res 112. doi:10.1029/2006JB004640
Song YT (2007) Detecting tsunami genesis and scales directly from coastal GPS stations. Geophys Res Lett 34: L19602. doi:10.1029/2007GL031681
Song YT, Fu L-L, Zlotnicki V et al (2008) The role of horizontal impulses of the faulting continental slope in generating the 26 December 2004 tsunami. Ocean Model 20: 362–379
Stein S, Okal EA (2005) Speed and size of the Sumatra earthquake. Nature 434: 581–582
Titov VV, González FI, Bernard EN et al (2005) Real-time tsunami forecasting: challenges and solutions. Nat Hazards 35: 41–58
Wang RF (2003) Computation of deformation induced by earthquakes in a multi-layered elastic crust—FORTRAN programs EDGRN/EDCMP. Comput Geosci 29: 195–207
Yamagiwa A, Hatanaka Y, Yutsudo T, Miyahara B (2006) Real time capability of GEONET system and its application to crust monitoring. Bull Geogr Surv Inst 53: 27–33
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Blewitt, G., Hammond, W.C., Kreemer, C. et al. GPS for real-time earthquake source determination and tsunami warning systems. J Geod 83, 335–343 (2009). https://doi.org/10.1007/s00190-008-0262-5
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DOI: https://doi.org/10.1007/s00190-008-0262-5