Japan's National Project for Earthquake Prediction has been conducted since 1965 without
success. An earthquake prediction should be a short-term prediction based on observable …

A characteristic change of seismicity has been recently uncovered when the precursory
Seismic Electric Signals activities initiate before an earthquake occurrence. In particular, the …

Anomalous groundwater changes started three months before the 2011 M9. 0 Off the Pacific
coast of the Tohoku Earthquake (Tohoku EQ), Japan. Groundwater level and temperature …

The magnitude time-series of the global seismicity is analyzed by the empirical mode
decomposition giving rise to 14 intrinsic mode functions (IMF) and a trend. Using Hurst …

By analyzing the seismicity in a new time domain, termed natural time, we recently found
that the change of the entropy under time reversal (Physica A 2018, 506, 625–634) and the …

The acoustic emissions observed before the failure of typical construction materials like
marble and cement mortar are analysed in natural time. The study of the variance κ 1 of …

A strong earthquake of magnitude M w 6.8 struck Western Greece on 25 October 2018 with
an epicenter at 37.515∘ N 20.564∘ E. It was preceded by an anomalous geolectric signal …

The purpose of this chapter is to review earthquake precursor studies in Japan. Among the
long‐, medium‐, and short‐term earthquake predictions that result from the study of …

It has been recently shown [NV Sarlis, Phys. Rev. E 84, 022101 (2011) and NV Sarlis and S.-
RG Christopoulos, Chaos 22, 023123 (2012)] that earthquakes of magnitude M greater or …

Natural time is a new time domain introduced in 2001. The analysis of time series
associated with a complex system in natural time may provide useful information and may …