Locations of newly discovered young graben (red stars) along with recently detected (white dots) and previously known (black dots) contractional lobate scarps. The newly discovered graben are widely distributed and located near lobate scarps. The locations of 26 shallow moonquakes recorded by the Apollo seismic network with stations at the Apollo 12, 14, 15, and 16 landing sites are shown by the (black triangles). The graben, lobate scarp, and moonquake locations are plotted on a shaded relief map merged with a global Lunar Reconnaissance Orbiter Camera (LROC) Wide Angle Camera LROC (WAC) stereo derived global topographic model of the Moon.
Image Number: WEB12315-2012
Credit: NASA/GSFC/Arizona State University/Smithsonian
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