Most of the Antarctic continent is covered by a thick ice sheet, and consequently seismic stations in this region are often installed on ice. This can be problematic because the seismic stations then move along with the dynamic ice sheet; and, in addition, the thick ice layer disturbs the pulse shape of seismic signals due to reverberations. The horizontal movements can be tracked with the Global Positioning System (GPS) clocks of the data loggers and station coordinates can be corrected for; however, in particular, the horizontal components of seismic sensors are dependent on a stable horizontal leveling. To accommodate the...

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