APOD 1.7 (Moonquakes Surprisingly Common)

I chose this article because I am always looking towards the future, and one of the first steps to space travel is some kind of base on the Moon.  If there are lots of "Moonquakes" which are very strong and last a long time, then anything built on the Moon will have to be built to survive them without sustaining much damage to its airtight seals, which would quickly kill everyone inside if they malfunctioned and welcomed in the eternal vacuum of space.  The good news is that, since there is not as much gravity on the moon, we should be able to build tougher buildings that are still able to support their own weight.