A plausible universal behaviour of earthquakes in the natural time-domain

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概要

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• In previous papers, we showed that in the new time-domain, called natural time: 1) the power spectrum of an SES-activity exhibits properties of critical phenomena and the power spectra of the local seismicity subsequent to an SES-activity become the same as that of the latter just before the main shock, 2) the power spectra of regional and long-term seismicity in both Greece and San Andreas fault system also exhibits features of critical phenomena. Here we show that the same can be found for the earthquakes in Japan. The "power spectra" in natural time of the seismicities in all the three areas fall on a universal curve. (Communicated by Seiya UYEDA, M.J.A.)

• 日本学士院の論文

著者

• Varotsos Panayiotis

  Solid Earth Physics Institute University Of Athens

• SKORDAS Efthimios

  Solid Earth Physics Institute, University of Athens

• TANAKA Haruo

  Earthquake Prediction Center, Tokai University

• SARLIS Nicholas

  Solid State Section, Physics Department, University of Athens

関連論文

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• What happened before the last five strong earthquakes in Greece: Facts and open questions
• Magnetovariational and Magnetotelluric study of Ioannina region sensitive to Seismic Electric Signals (SES). I
• Magnetic field variations associated with the SES before the 6.6 Grevena-Kozani earthquake
• Magnetic field variations associated with SES : The instrumentation used for investigating their detectability
• A plausible universal behaviour of earthquakes in the natural time-domain
• On the difference in the rise times of the two SES electric field components
• Field experimentation on the detectability of co-seismic electric signals
• Log-periodic modulation to power law of change in the geoelectric potential difference observed on Niijima Island prior to volcanic and seismic activation in the Izu island region, Japan 2000

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