Identification of earthquake precursors in soil radon-222 data of Kutch, Gujarat, India using empirical mode decomposition based Hilbert Huang Transform

SK Sahoo, M Katlamudi, C Barman… - Journal of Environmental …, 2020 - Elsevier
Abstract Soil radon (Rn-222) has been continuously monitored at Badargadh station (23.47°
N, 70.62° E) in Kutch region of Gujarat to study the pre-seismic anomalies prior to …

Characteristics of 2020 stock market crash: The COVID-19 induced extreme event

A Mahata, A Rai, M Nurujjaman, O Prakash… - … Journal of Nonlinear …, 2021 - pubs.aip.org
A sudden fall of stock prices happens during a pandemic due to the panic sell-off by the
investors. Such a sell-off may continue for more than a day, leading to a significant crash in …

Studies of scintillations and TEC variations with GPS satellite links together with soil radon anomalies preceding Nepal earthquakes of April–May 2015

A Guha Bose, A Das, S Chowdhury, A Deb - Natural Hazards, 2022 - Springer
Ionospheric effects like scintillations and anomalous variations in total electron content
(TEC) monitored with Global Positioning System (GPS) satellites of L1 frequency over …

Impact of the water-wedge deterioration effect of pulsating water injection on AE waveforms and crack propagation during fracturing processes

A Chen, C Zhai, Y Zheng, X Yu, J Xu, Y Lai - Engineering Fracture …, 2024 - Elsevier
Pulsating hydraulic fracturing (PHF) is a promising technology for enhancing the extraction
of coalbed methane. In this study, the effects of pulsating water response of coal fractures …

Statistical properties of the aftershocks of stock market crashes revisited: Analysis based on the 1987 crash, financial-crisis-2008 and COVID-19 pandemic

A Rai, A Mahata, M Nurujjaman… - International Journal of …, 2022 - World Scientific
During any unique crisis, panic sell-off leads to a massive stock market crash that may
continue for more than a day, termed as mainshock. The effect of a mainshock in the form of …

Long‐term monitoring and characterization of soil radon emission in a seismically active area

A D'Alessandro, S Scudero, M Siino… - Geochemistry …, 2020 - Wiley Online Library
Radon (222 Rn) is a radioactive gas, which originates everywhere in rocks of Earth's crust
through a process of natural decay of other radioactive elements. The monitoring of soil …

Study of variation of soil radon exhalation rate with meteorological parameters in Bakreswar–Tantloi geothermal region of West Bengal and Jharkhand, India

S Chowdhury, C Barman, A Deb, S Raha… - … of Radioanalytical and …, 2019 - Springer
Radon gas is the predominant ionizing radiation on earth. Its occurrence is controlled by the
presence of uranium in all types of rocks in the earthcrust, apart from local geological …

Study of pre-seismic thoron anomaly using empirical mode decomposition based Hilbert–Huang transform at Indo-Burman subduction region

T Thuamthansanga, BK Sahoo, RC Tiwari - Journal of Radioanalytical …, 2021 - Springer
This paper presents a causal relationship between thoron anomaly and earthquakes along
the Indo-Burman subduction line. A 15 min cycle thoron data was generated at Mizoram …

Correlation of in-situ online 222Rn data at Mat fault with geophysical process

T Thuamthansanga, RC Tiwari - Materials Today: Proceedings, 2022 - Elsevier
This study aims to correlate radon concentration anomalies with geophysical phenomena
along the Indo-Burman subduction region. The soil radon production rate and exhalation …

Multifractal detrended fluctuation analysis of soil radon in the Kachchh Region of Gujarat, India: A case study of earthquake precursors

SK Sahoo, M Katlamudi, CS Pedapudi - Physica A: Statistical Mechanics …, 2024 - Elsevier
In this paper, the scaling properties of earthquake-induced soil radon emissions in the
Kachchh region of Gujarat, India, were demonstrated through the application of multifractal …