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Natural Time Analysis: The New View of Time : Precursory Seismic Electric Signals, Earthquakes and other Complex Time Series

- P. Varotsos, N. Sarlis, E. Skordas
- Engineering, Geology
- 19 August 2011

Part I Seismic Electric Signals.- 1. Introduction to Seismic Electric Signals-V.- Part II.- 2. Natural Time. Background-F.- 3. Entropy in Natural Time-E.- Part III Natural Time Applications.- 4.… Expand

Long-range correlations in the electric signals that precede rupture.

- P. Varotsos, N. Sarlis, E. Skordas
- Mathematics, Medicine
- Physical review. E, Statistical, nonlinear, and…
- 12 July 2002

The Smoluchowski-Chapman-Kolmogorov functional equation is applied to the electric signals that precede rupture. The results suggest a non-Markovian character of the analyzed data. The rescaled range… Expand

Natural time analysis of critical phenomena

- P. Varotsos, N. Sarlis, E. Skordas, S. Uyeda, M. Kamogawa
- Physics, Medicine
- Proceedings of the National Academy of Sciences
- 23 June 2011

TLDR

Entropy of seismic electric signals: analysis in natural time under time reversal.

- P. Varotsos, N. Sarlis, E. Skordas, H. Tanaka, M. Lazaridou
- Physics, Geology
- Physical review. E, Statistical, nonlinear, and…
- 24 October 2005

TLDR

Long-range correlations in the electric signals that precede rupture: further investigations.

- P. Varotsos, N. Sarlis, E. Skordas
- Mathematics, Medicine
- Physical review. E, Statistical, nonlinear, and…
- 1 February 2003

TLDR

Investigation of seismicity after the initiation of a Seismic Electric Signal activity until the main shock.

- N. Sarlis, E. Skordas, M. Lazaridou, P. Varotsos
- Physics, Medicine
- Proceedings of the Japan Academy. Series B…
- 22 February 2008

TLDR

Fluctuations, under time reversal, of the natural time and the entropy distinguish similar looking electric signals of different dynamics

- P. Varotsos, N. Sarlis, E. Skordas, M. Lazaridou
- Physics
- 20 July 2007

We show that the scale dependence of the fluctuations of the natural time itself under time reversal provides a useful tool for the discrimination of seismic electric signals (critical dynamics) from… Expand

Minimum of the order parameter fluctuations of seismicity before major earthquakes in Japan

- N. Sarlis, E. Skordas, +4 authors S. Uyeda
- Geography, Medicine
- Proceedings of the National Academy of Sciences
- 5 August 2013

TLDR

Scale-specific order parameter fluctuations of seismicity in natural time before mainshocks

- P. Varotsos, N. Sarlis, E. Skordas
- Geology
- 1 December 2011

We have previously shown that the probability distribution of the order parameter κ1 of seismicity in natural time turns to be bimodal when approaching a mainshock. This reflects that, for various… Expand

Nonextensivity and natural time: The case of seismicity.

- N. Sarlis, E. Skordas, P. Varotsos
- Mathematics, Medicine
- Physical review. E, Statistical, nonlinear, and…
- 11 August 2010

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