Initial Analysis of Deep Moonquake obtained by Lunar Surface Gravimeter at Apollo 17 site

Abstract

Lunar earth quake called Moonquake had been observed by Apollo missions. This experiment was carried out in a part of the ALSEP (Apollo Lunar Surface Experiments Package) of Apollo 12, 14, 15, 16. Network observation by using the all stations was carried out for about five years until September 30, 1977. On the other hands, Lunar Surface Gravimeter (LSG) experiment was carried out at Apollo 17 in order to detect the gravitational wave and measure tidal deformation of the Moon. This experiment has never obtained meaningful data for gravity, however, the instrument had been functioned as seismometer. We analyzed the data obtained by LSG in order to discuss lunar interior. Here, we show that the the quality of the LSG data and the results of first analysis.