Atmospheric electric field (AEF) is the bridge connecting the surface charges and atmospheric particle changes before earthquake, which is very essential to study the coupling process between coversphere and atmosphere aroused by earthquake. This study discovers the AEF anomalies before the Luding earthquake in 2022, and clarify the relations between the surface changes and atmosphere changes possibly caused by the earthquake.
Multiple seismic anomalies were reported to be related to the 2015 Nepal earthquake. By sufficiently investigating both the space–time features and the physical models of the seismic anomalies, the coupling mechanisms of these anomalies in 3D space were revealed and an integrated framework to strictly root the sources of various anomalies was proposed. This study provides a practical solution for scrutinizing reliable seismic anomalies from diversified earthquake observations.
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