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Titel |
The usefulness of natural time in identifying the occurrence time of an impending earthquake. |
VerfasserIn |
P. A. Varotsos, N. V. Sarlis, E. S. Skordas, M. S. Lazaridou |
Konferenz |
EGU General Assembly 2009
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Medientyp |
Artikel
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Sprache |
Englisch
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Digitales Dokument |
PDF |
Erschienen |
In: GRA - Volume 11 (2009) |
Datensatznummer |
250026074
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Zusammenfassung |
Natural time is a concept introduced recently [1] in order to reveal hidden properties in complex time series and identify, among others, the time when a dynamic system approaches the critical point. This has found applications in diverse fields, e.g., in cardiology (e.g., by identifying the sudden cardiac death risk[2]) and in earthquake prediction when seismic electric signals[3-5] data are available. As an example of the latter, here we explain how natural time analysis enabled[6,7] the identification well in advance of the approach to the critical point associated with the recent destructive Mw6.3 earthquake that occurred on June 8, 2008 in Greece at 38.0N 21.5E.
REFERENCES
[1] P. Varotsos, N. Sarlis, and E. Skordas, Spatiotemporal complexity aspects on the interrelation between Seismic Electric Signals and seismicity, Practica of Athens Academy 76, 294-321 (2001).
[2] P.A. Varotsos, N.V. Sarlis, E.S. Skordas, and M.S. Lazaridou, Entropy in the natural time-domain, Phys. Rev. E 70, 011106 (2004).
[3] P.A. Varotsos, N.V. Sarlis, and E.S. Skordas, Electric fields that arrive before the time-derivative of the magnetic field prior to major earthquakes, Phys. Rev. Lett. 91, 148501 (2003).
[4] P.A. Varotsos, N.V. Sarlis, H.K. Tanaka and E.S. Skordas, Some properties of the entropy in the natural time, Phys. Rev. E 71, 032102 (2005).
[5] P.A. Varotsos, N.V. Sarlis, H.K. Tanaka, and E.S. Skordas, Similarity of fluctuations in correlated systems: The case of seismicity, Phys. Rev. E 72, 041103 (2005).
[6] N.V. Sarlis, E.S. Skordas, M.S. Lazaridou, and P.A. Varotsos, Investigation of the seismicity after the initiation of a Seismic Electric Signal activity until the main shock, cond-mat/arXiv:0802.3329v4, (29 May 2008)
[7] N.V. Sarlis, E.S. Skordas, M.S. Lazaridou, and P.A. Varotsos, Investigation of the seismicity after the initiation of a Seismic Electric Signal activity until the main shock, Proc. Jpn. Acad. Ser. B 84, 331-343 (2008) |
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