A critical review of ground based observations of earthquake precursors
We aim at giving a short review of the seismo-associated phenomena detected on ground
that in recent years have been investigated as possible earthquake precursors. The paper …
that in recent years have been investigated as possible earthquake precursors. The paper …
Transient effects in atmosphere and ionosphere preceding the 2015 M7. 8 and M7. 3 Gorkha–Nepal earthquakes
We analyze retrospectively/prospectively the transient variations of six different physical
parameters in the atmosphere/ionosphere during the M7. 8 and M7. 3 earthquakes in Nepal …
parameters in the atmosphere/ionosphere during the M7. 8 and M7. 3 earthquakes in Nepal …
Analysis of Pre-Seismic Ionospheric Disturbances Prior to 2020 Croatian Earthquakes
MY Boudjada, PF Biagi, HU Eichelberger, G Nico… - Remote Sensing, 2024 - mdpi.com
We study the sub-ionospheric VLF transmitter signals recorded by the Austrian Graz station
in the year 2020. Those radio signals are known to propagate in the Earth-ionosphere …
in the year 2020. Those radio signals are known to propagate in the Earth-ionosphere …
Q uiet Ion ospheric DR egion (QIonDR) Model Based on VLF/LF Observations
The ionospheric D-region affects propagation of electromagnetic waves including ground-
based signals and satellite signals during its intensive disturbances. Consequently, the …
based signals and satellite signals during its intensive disturbances. Consequently, the …
Statistical and criticality analysis of the lower ionosphere prior to the 30 October 2020 Samos (Greece) earthquake (M6. 9), based on VLF electromagnetic propagation …
In this work we present the statistical and criticality analysis of the very low frequency (VLF)
sub-ionospheric propagation data recorded by a VLF/LF radio receiver which has recently …
sub-ionospheric propagation data recorded by a VLF/LF radio receiver which has recently …
Variation in natural short-period ionospheric noise, and acoustic and gravity waves revealed by the amplitude analysis of a VLF radio signal on the occasion of the …
We analyse the lower ionosphere disturbances in the time period around the Mw 5.4
Kraljevo earthquake (EQ), which occurred on 3 November 2010 in Serbia. The results …
Kraljevo earthquake (EQ), which occurred on 3 November 2010 in Serbia. The results …
ULF pre-seismic geomagnetic anomalous signal related to Mw8. 1 offshore Chiapas earthquake, Mexico on 8 September 2017
DA Stănică, D Stănică - Entropy, 2019 - mdpi.com
In the last decade, the real time ground–based geomagnetic observations realized in
correlation with the Vrancea seismicity in Romania, together with supplementary studies …
correlation with the Vrancea seismicity in Romania, together with supplementary studies …
Analysis of VLF Signal Noise Changes in the Time Domain and Excitations/Attenuations of Short-Period Waves in the Frequency Domain as Potential Earthquake …
A Nina - Remote Sensing, 2024 - mdpi.com
In this paper, we complete pioneering research that indicates the very low frequency (VLF)
signal amplitude and phase noise reductions, and short-period wave excitations and …
signal amplitude and phase noise reductions, and short-period wave excitations and …
The INFREP network: Present situation and recent results
PF Biagi, R Colella, L Schiavulli, A Ermini… - Open Journal of …, 2019 - art.torvergata.it
Abstract VLF/LF (20-300 kHz) radio waves propagation is affected by different factors such
as meteorological conditions, solar bursts and geomagnetic activity. At the same time …
as meteorological conditions, solar bursts and geomagnetic activity. At the same time …
Variation in the VLF signal noise amplitude during the period of intense seismic activity in Central Italy from 25 October to 3 November 2016
Recent research shows reductions in the VLF signal noise amplitude that begin before
particular earthquakes whose epicentres are more than 100 km away from the signal …
particular earthquakes whose epicentres are more than 100 km away from the signal …