195 citations · 767 across the 10 of their papers we have counts for
Showing 2005 · physics.geo-phShow all
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physics.geo-ph2005★ 151 cited
Entropy of seismic electric signals: Analysis in natural time under time-reversal
P. A. Varotsos, N. V. Sarlis, E. S. Skordas +1
Electric signals have been recently recorded at the Earth's surface with amplitudes appreciably larger than those hitherto reported. Their entropy in natural time is smaller than t…
physics.geo-ph2005★ 195 cited
Similarity of fluctuations in correlated systems: The case of seismicity
P. A. Varotsos, N. V. Sarlis, H. K. Tanaka +1
We report a similarity of fluctuations in equilibrium critical phenomena and non-equilibrium systems, which is based on the concept of natural time. The world-wide seismicity as we…