A computer simulation depicting the seismic waves emanating from a shallow moonquake occurring on the Lee-Lincoln scarp in the Taurus-Littrow Valley on the Moon and interacting with the Apollo 17 Lunar Module landing site. Red and blue are positive (upward ground motion) and negative (downward ground motion) polarities of the wave. Credit: University of Maryland, Nicholas Schmerr
Moonquakes shook Apollo 17’s landing zone—and they could challenge the safety of future lunar outposts. Scientists have discovered that moonquakes, not meteoroids, are responsible for shifting terrain near the Apollo 17 landing site. Their analysis points to a still-active fault that has been generating quakes for millions of years...
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