We know surprisingly little about seismicity (on Earth it would be earthquakes) on other planets. Although we have done a little seismology on the Moon, both “listening” for natural temblors or creating our own, beyond that, we haven’t had much luck. Sure, the 1970’s Viking landers had seismometers as part of their array of instruments, but they were sitting on the deck of the landers, not placed on the ground, so almost no useful data was collected.

The newest Mars lander, InSight, is th