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Lunar Seismology: A Data and Instrumentation Review

Nunn, Ceri and Garcia, Raphaël F. and Nakamura, Yosio and Marusiak, Angela G. and Kawamura, Taichi and Sun, Daoyuan and Margerin, Ludovic and Weber, Renee and Drilleau, Mélanie and Wieczorek, Mark A. and Khan, Amir and Rivoldini, Attilio and Lognonné, Philippe and Zhu, Peimin Lunar Seismology: A Data and Instrumentation Review. (2020) Space Science Reviews, 216 (5). ISSN 0038-6308

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Official URL: https://doi.org/10.1007/S11214-020-00709-3

Abstract

Several seismic experiments were deployed on the Moon by the astronauts dur- ing the Apollo missions. The experiments began in 1969 with Apollo 11, and continued with Apollo 12, 14, 15, 16 and 17. Instruments at Apollo 12, 14, 15, 16 and 17 remained opera- tional until the final transmission in 1977. These remarkable experiments provide a valuable resource. Now is a good time to review this resource, since the InSight mission is returning seismic data from Mars, and seismic missions to the Moon and Europa are in development from different space agencies. We present an overview of the seismic data available from four sets of experiments on the Moon: the Passive Seismic Experiments, the Active Seismic Experiments, the Lunar Seismic Profiling Experiment and the Lunar Surface Gravimeter. For each of these, we outline the instrumentation and the data availability. We show examples of the different types of moonquakes, which are: artificial impacts, meteoroid strikes, shallow quakes (less than 200 km depth) and deep quakes (around 900 km depth). Deep quakes often occur in tight spatial clusters, and their seismic signals can there- fore be stacked to improve the signal-to-noise ratio. We provide stacked deep moonquake signals from three independent sources in miniSEED format. We provide an arrival-time catalog compiled from six independent sources, as well as estimates of event time and loca- tion where available. We show statistics on the consistency between arrival-time picks from different operators. Moonquakes have a characteristic shape, where the energy rises slowly to a maximum, followed by an even longer decay time. We include a table of the times of arrival of the maximum energy tmax and the coda quality factor Qc . Finally, we outline minimum requirements for future lunar missions to the Moon. These requirements are particularly relevant to future missions which intend to share data with other agencies, and set out a path for an International Lunar Network, which can provide simultaneous multi-station observations on the Moon.

Item Type:Article
Audience (journal):International peer-reviewed journal
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Institution:Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE)
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Deposited On:12 Jan 2022 10:16

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