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  Constraints on the shallow elastic and anelastic structure of Mars from InSight seismic data

Lognonné, P., Banerdt, W. B., Pike, W. T., Giardini, D., Christensen, U. R., Garcia, R. F., et al. (2020). Constraints on the shallow elastic and anelastic structure of Mars from InSight seismic data. Nature Geoscience, 13(3), 213-220. doi:10.1038/s41561-020-0536-y.

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Lognonné, P., Author
Banerdt, W. B., Author
Pike, W. T., Author
Giardini, D., Author
Christensen, Ulrich R.1, Author              
Garcia, R. F., Author
Kawamura, T., Author
Kedar, S., Author
Knapmeyer-Endrun, B., Author
Margerin, L., Author
Nimmo, F., Author
Panning, M., Author
Tauzin, B., Author
Scholz, John-Robert1, Author              
Antonangeli, D., Author
Barkaoui, S., Author
Beucler, E., Author
Bissig, F., Author
Brinkman, N., Author
Calvet, M., Author
Ceylan, S., AuthorCharalambous, C., AuthorDavis, P., Authorvan Driel, M., AuthorDrilleau, M., AuthorFayon, L., AuthorJoshi, Rakshit1, Author              Kenda, B., AuthorKhan, A., AuthorKnapmeyer, M., AuthorLekic, V., AuthorMcClean, J., AuthorMimoun, D., AuthorMurdoch, N., AuthorPan, L., AuthorPerrin, C., AuthorPinot, B., AuthorPou, L., AuthorMenina, S., AuthorRodriguez, S., AuthorSchmelzbach, C., AuthorSchmerr, N., AuthorSollberger, D., AuthorSpiga, A., AuthorStähler, S., AuthorStott, A., AuthorStutzmann, E., AuthorTharimena, S., AuthorWidmer-Schnidrig, R., AuthorAndersson, F., AuthorAnsan, V., AuthorBeghein, C., AuthorBöse, M., AuthorBozdag, E., AuthorClinton, J., AuthorDaubar, I., AuthorDelage, P., AuthorFuji, N., AuthorGolombek, M., AuthorGrott, M., AuthorHorleston, A., AuthorHurst, K., AuthorIrving, J., AuthorJacob, A., AuthorKnollenberg, J., AuthorKrasner, S., AuthorKrause, C., AuthorLorenz, R., AuthorMichaut, C., AuthorMyhill, R., AuthorNissen-Meyer, T., AuthorPierick, J. ten, AuthorPlesa, A.-C., AuthorQuantin-Nataf, C., AuthorRobertsson, J., AuthorRochas, L., AuthorSchimmel, M., AuthorSmrekar, S., AuthorSpohn, T., AuthorTeanby, N., AuthorTromp, J., AuthorVallade, J., AuthorVerdier, N., AuthorVrettos, C., AuthorWeber, R., AuthorBanfield, D., AuthorBarrett, E., AuthorBierwirth, Marco1, Author              Calcutt, S., AuthorCompaire, N., AuthorJohnson, C.L., AuthorMance, D., AuthorEuchner, F., AuthorKerjean, L., AuthorMainsant, G., AuthorMocquet, A., AuthorManfredi, J. A Rodriguez, AuthorPont, G., AuthorLaudet, P., AuthorNebut, T., Authorde Raucourt, S., AuthorRobert, O., AuthorRussell, C. T., AuthorSylvestre-Baron, A., AuthorTillier, S., AuthorWarren, T., AuthorWieczorek, M., AuthorZweifel, C. Yana & P., Author more..
1Department Planets and Comets, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832288              


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 Abstract: Mars’s seismic activity and noise have been monitored since January 2019 by the seismometer of the InSight (Interior Exploration using Seismic Investigations, Geodesy and Heat Transport) lander. At night, Mars is extremely quiet; seismic noise is about 500 times lower than Earth’s microseismic noise at periods between 4 s and 30 s. The recorded seismic noise increases during the day due to ground deformations induced by convective atmospheric vortices and ground-transferred wind-generated lander noise. Here we constrain properties of the crust beneath InSight, using signals from atmospheric vortices and from the hammering of InSight’s Heat Flow and Physical Properties (HP3) instrument, as well as the three largest Marsquakes detected as of September 2019. From receiver function analysis, we infer that the uppermost 8–11 km of the crust is highly altered and/or fractured. We measure the crustal diffusivity and intrinsic attenuation using multiscattering analysis and find that seismic attenuation is about three times larger than on the Moon, which suggests that the crust contains small amounts of volatiles.


Language(s): eng - English
 Dates: 2020
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1038/s41561-020-0536-y
 Degree: -



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Source 1

Title: Nature Geoscience
Source Genre: Journal
Publ. Info: London : Nature Publishing Group
Pages: - Volume / Issue: 13 (3) Sequence Number: - Start / End Page: 213 - 220 Identifier: ISSN: 1752-0894
CoNE: https://pure.mpg.de/cone/journals/resource/1752-0894