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Journal Articles Earth and Space Science Year : 2020

MSS/1: Single‐station and single‐event marsquake inversion

Melanie Drilleau
Eric Beucler
Philippe Lognonné
Mark A Panning
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  • PersonId : 993913
Brigitte Knapmeyer‐endrun
  • Function : Author
W. Bruce Banerdt
  • Function : Author
Caroline Beghein
Savas Ceylan
  • Function : Author
Martin Driel
  • Function : Author
Rakshit Joshi
  • Function : Author
Taichi Kawamura
Amir Khan
Sabrina Menina
Attilio Rivoldini
Henri Samuel
Simon Stähler
Hoatian Xu
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Mickaël Bonnin
John Clinton
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Domenico Giardini
Balthasar Kenda
Vedran Lekic
Antoine Mocquet
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Naomi Murdoch
Martin Schimmel
Suzanne Smrekar
Éléonore Stutzmann
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Benoit Tauzin
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Saikiran Tharimena


SEIS, the seismometer of the InSight mission, which landed on Mars on 26 November 2018, is monitoring the seismic activity of the planet. The goal of the Mars Structure Service (MSS) is to provide, as a mission product, the first average 1‐D velocity model of Mars from the recorded InSight data. Prior to the mission, methodologies have been developed and tested to allow the location of the seismic events and estimation of the radial structure, using surface waves and body waves arrival times, and receiver functions. The paper describes these validation tests and compares the performance of the different algorithms to constrain the velocity model below the InSight station and estimate the 1‐D average model over the great circle path between source and receiver. These tests were performed in the frame of a blind test, during which synthetic data were inverted. In order to propagate the data uncertainties on the output model distribution, Bayesian inversion techniques are mainly used. The limitations and strengths of the methods are assessed. The results show the potential of the MSS approach to retrieve the structure of the crust and underlying mantle. However, at this time, large quakes with clear surface waves have not yet been recorded by SEIS, which makes the estimation of the 1‐D average seismic velocity model challenging. Additional locatable events, especially at large epicentral distances, and development of new techniques to fully investigate the data, will ultimately provide more constraints on the crust and mantle of Mars.


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Dates and versions

hal-03025225 , version 1 (06-01-2021)





Melanie Drilleau, Eric Beucler, Philippe Lognonné, Mark A Panning, Brigitte Knapmeyer‐endrun, et al.. MSS/1: Single‐station and single‐event marsquake inversion. Earth and Space Science, 2020, 7 (12), pp.1-37. ⟨10.1029/2020EA001118⟩. ⟨hal-03025225⟩
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