Watch Out for Moon Quakes!

NASA astronauts are going back to the moon and when they get there they may need quake-proof housing.
That's the surprising conclusion of Clive R. Neal, associate professor of civil engineering and geological sciences at the University of Notre Dame after he and a team of 15 other planetary scientists reexamined Apollo data from the 1970s. "The moon is seismically active," he told a gathering of scientists at NASA's Lunar Exploration Analysis Group (LEAG) meeting in League City, Texas, last October.
Between 1969 and 1972, Apollo astronauts placed seismometers at their landing sites aroun…