In comparison, a groundquake 1/100 the power of a tremor during the Quake would wipe out any structures on the surface, though the planet had since that time been geologically stable for thousands of years.
In comparison, a groundquake 1/100 the power of a tremor during the Quake would wipe out any structures on the surface, though the planet had since that time been geologically stable for thousands of years.