Fig. 1: Locations of the marsquake, seismic station, and bounce point.
From: Constraints on the martian crust away from the InSight landing site

a Global topographic map from the Mars Orbiter Laser Altimeter (MOLA33). The triangle marks the location of the InSight landing site, the star shows one of the possible locations of the marsquake (see Methods section), and the ray path is in black. The uncertainty of the marsquake location from seismological constraints is indicated by the shaded area (in black). The shaded region (in white) between the event and the station marks the possible corresponding locations of the bounce point. b Structure beneath the bounce point of the SS (or PP) waves (the box region in (c) assuming one layer in the upper crust. The dashed red lines are the ray paths for the SS (or PP) precursor reflected off the intra-crustal interface. The solid black lines are the ray paths for the SS (or PP) phase with a free-surface reflection. c Ray paths for the SS (or PP, in solid black) and its precursor (in dashed red). The triangle and star mark the InSight SEIS seismometer and event S0976a, respectively.