The shallow structure of Mars at the InSight landing site from inversion of ambient vibrations

The shallow structure of Mars at the InSight landing site from inversion of ambient vibrations

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We invert Rayleigh wave ellipticity curves extracted from ambient seismic vibrations at the InSight landing site to resolve, for the emtek 2113 first time on Mars, the shallow subsurface to around 200 m depth.While our seismic velocity model is iphone 14 price texas largely consistent with the expected stacks of lava flows, we find a seismic low velocity zone at about 30 to 75 m depth that we interpret as a sedimentary layer sandwiched between layers of basalt flows.