Abstract
Over the last two decades, potentially interesting phenomena in the ionosphere-magnetosphere transition region have been studied; anomalous particle fluxes detected by several space experiments and correlated with earthquakes. These phenomena are characterized by short-term increases in high energy particle counting rates, called particle bursts. In this work we have used the NOAA electron flux data to study the time correlation between particle rate fluctuations and earthquakes. With respect to previous studies, we have analyzed contiguous particle bursts in order to distinguish correlations with seismic activity from seasonal variations of particle flux and solar activity. Earthquake clustering was initially included to study the types and causes of false correlations.
Highlights
IntroductionThe National Oceanographic and Atmospheric Administration (NOAA) and the National. Aeronautics and Space Administration (NASA) have jointly developed a series of Polar Operational
The National Oceanographic and Atmospheric Administration (NOAA) and the NationalAeronautics and Space Administration (NASA) have jointly developed a series of Polar OperationalEnvironmental Satellites (POES)
Links between electron fluxes recorded by NOAA satellites and solar activity were studied in connection with geomagnetic storms [3], under the radiation belts (L < 2) [4] and in the inner belts
Summary
The National Oceanographic and Atmospheric Administration (NOAA) and the National. Aeronautics and Space Administration (NASA) have jointly developed a series of Polar Operational. Links between electron fluxes recorded by NOAA satellites and solar activity were studied in connection with geomagnetic storms [3], under the radiation belts (L < 2) [4] and in the inner belts (even with L < 2). Similar studies have been carried out on NOAA proton fluxes in connection with geomagnetic storms [6], under the radiation belts [7] and inside them (L < 4) [8] These studies have shown the influence on the particle flux of the solar wind. Experimental data of high-energy charged particle fluxes, obtained from various near-Earth space experiments (MIR orbital station, METEOR-3, GAMMA and SAMPEX satellites) were processed and analyzed; a 2 to 5 hour precursor effect was observed [23], the statistical significance was somewhat limited. Our analysis method followed the strategy introduced in 2005 for the analysis of SAMPEX data with some modifications [25], since the NOAA satellites operate at higher orbits and cover different energy range intervals
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