Abstract
The model of the internal structure of the Moon with "open" deep faults and weak contacts between sides for many lunar regions explains the existence of a block structure (1-3). A high seismic Qfactor of lunar structures and significant impact energy (~10 19 erg) produced by the fall of a large meteorite led to formation of multiple waves on the major internal lunar boundaries. The known statistical methods have allowed us to determine the vibration periods for these waves and, hence, to define the internal lunar struc� ture, including the central zone (core). Let us consider the manifestation of a block struc� ture in different portions of an impact seismogram and the influence of the block structure on wave propaga� tion in more detail. We also discovered some seismic effects that had previously been observed on the Earth. The peculiarities of lunar geological structures and waveforms of seismograms became the prerequisites and evidence for the existence of a high modulation
Published Version
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