NHESSD Natural Hazards and Earth System Sciences Discussions NHESSD Nat. Hazards Earth Syst. Sci. Discuss. 2195-9269 Göttingen, Germany 10.5194/nhessd-2-3183-2014 Statistical similarity between high energy charged particle fluxes in near-earth space and earthquakes Wang P. 1 Chang Z. 1 Wang H. 1 Lu H. 1 Institute of High Energy Physics, Chinese Academy of Science, 100049 Beijing, China 05 05 2014 2 5 3183 3192 Copyright: © 2014 P. Wang et al. 2014 This work is licensed under the Creative Commons Attribution 3.0 Unported License. To view a copy of this licence, visit https://creativecommons.org/licenses/by/3.0/ This article is available from https://nhess.copernicus.org/preprints/2/3183/2014/nhessd-2-3183-2014.html The full text article is available as a PDF file from https://nhess.copernicus.org/preprints/2/3183/2014/nhessd-2-3183-2014.pdf

It has long been noticed that rapid short-term variations of high energy charged particle fluxes in near-Earth space occur more frequently several hours before the main shock of earthquakes. Physicists wish that this observation supply a possible precursor of strong earthquakes. Based on DEMETER data, we investigate statistical behaviors of flux fluctuations for high energy charged particles in near-Earth space. Long-term clustering, scaling, and universality in the temporal occurrence are found. There is high degree statistical similarity between high energy charged particle fluxes in near-Earth space and earthquakes. Thus, the observations of the high energy particle fluxes in near-Earth space may supply a useful tool in the study of earthquakes.

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