CO2 and Radon Emissions as Precursors of Seismic Activity

S D'Incecco, E Petraki, G Priniotakis… - Earth Systems and …, 2021 - Springer
This paper reports a review on the relationship between seismic activity and the emissions
of CO2 and radon. Direct, indirect and sampling methods are mainly employed to measure …

On the Correction of Spatial and Statistical Uncertainties in Systematic Measurements of 222Rn for Earthquake Prediction

F Külahcı, Z Şen - Surveys in Geophysics, 2014 - Springer
In earthquake prediction studies, the regional behaviour of accurate 222 Rn measurements
at a set of sites plays a significant role. Here, measurements are obtained using active and …

[PDF][PDF] Radon-222: a potential short-term earthquake precursor

E Petraki, D Nikolopoulos, D Panagiotaras… - Journal of Earth …, 2015 - researchgate.net
1Brunel University, Department of Engineering and Design, Kingston Lane, Uxbridge,
Middlesex UB8 3PH, London, UK 2TEI of Piraeus, Department of Electronic Computer …

[HTML][HTML] Daily extreme temperature multifractals in Catalonia (NE Spain)

A Burgueño, X Lana, C Serra, MD Martínez - Physics Letters A, 2014 - Elsevier
The multifractal character of the daily extreme temperatures in Catalonia (NE Spain) is
analyzed by means of the multifractal detrended fluctuation analysis (MF-DFA) applied to 65 …

Fluctuation Dynamics of Radon in Groundwater Prior to the Gansu Earthquake, China (22 July 2013: Ms = 6.6): Investigation with DFA and MFDFA Methods

A Alam, N Wang, E Petraki, A Barkat, F Huang… - Pure and Applied …, 2021 - Springer
The present study reports measurements of radon in groundwater conducted in China
between January and December 2013. During the measurement period, a great M s= 6.6 …

Multifractality due to long-range correlation in the L-band ionospheric scintillation S 4 index time series

HJ Tanna, KN Pathak - Astrophysics and Space Science, 2014 - Springer
The earth's ionosphere is well recognized as a dynamical system and non-linearly coupled
with the magnetosphere above and natural atmosphere below. The shape and time …

Anomalous soil radon fluctuations–signal of earthquakes in Nepal and eastern India regions

A Deb, M Gazi, C Barman - Journal of Earth System Science, 2016 - Springer
The present paper deals with pre-seismic soil radon-222 recorded at two different locations
200 m apart, at Jadavpur University main campus, Kolkata, India. Solid state nuclear track …

Regional Multifractal Variability of the Overall Seismic Activity in Pakistan from 1820 to 2020 via the Application of MDFA on Earthquake Catalogs

A Alam, D Nikolopoulos, D Cantzos, M Tahir… - Fractal and …, 2023 - mdpi.com
The overall seismicity of Pakistan from 1820 to 2020 is analysed in terms of its multifractal
behaviour. Seismic events of magnitude ML= 3.0 and above are spatially clustered into four …

Traces of self-organisation and long-range memory in variations of environmental radon in soil: Comparative results from monitoring in Lesvos Island and Ileia …

D Nikolopoulos, E Petraki, E Vogiannis… - … of Radioanalytical and …, 2014 - Springer
This paper addresses issues of self-affinity, long-memory and self-organisation in variations
of radon in soil recorded in Lesvos Island, Greece. Several techniques were employed …

Long-range memory patterns in variations of environmental radon in soil

E Petraki, D Nikolopoulos, A Fotopoulos… - Analytical …, 2013 - pubs.rsc.org
This paper addresses issues of long-range memory and self-organisation in variations of
radon in soil in Greece. The methods of rescaled-range, roughness-length, variogram …