3 papers
physics.geo-ph2026
Identifying the occurrence time of an impending mainshock: A very recent case
P. A. Varotsos, N. V. Sarlis, E. S. Skordas +1
The procedure by means of which the occurrence time of an impending mainshock can be identified by analyzing in natural time the seismicity in the candidate area subsequent to the…
physics.geo-ph2025
Identifying the approach of a major earthquake
Panayiotis A. Varotsos, Nicholas V. Sarlis, Toshiyasu Nagao
By analyzing the seismicity in natural time and studying the evolution of the fluctuations of the entropy change of seismicity under time reversal for various scales of different l…
physics.geo-ph2024
Geoelectric field and seismicity changes preceding the 2018 Mw6.8 earthquake and the subsequent activity in Greece
N. V. Sarlis, E. S. Skordas, P. A. Varotsos
A strong earthquake of magnitude Mw6.8 struck Western Greece on 25 October 2018 with epicenter at 37.515N 20.564E. It was preceded by an anomalous geolectric signal that was record…