Abstract
High-frequency events generated by meteoroid impacts are recorded by the short-period components of the Apollo passive seismic system. These signals are characterized by an almost random rate of occurrence and by a wide range of signal amplitudes and frequency content. Meteoroid impact signals are commonly split into two distinct parts, a high-frequency packet and a low-frequency packet. It is suggested that the high-frequency packet contains mostly body wave energy and that the low-frequency packet contains mostly surface wave energy. A meteoroid flux estimate reasonably consistent with previous estimates is obtained from station 14 short-period data.
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