It is stark. it can be cold, and it is, as far as we know, lifeless. but mars still fascinates. so much so, we intend to pay a visit. however, apart from the raging winds and the lack of oxygen, there is another potential hitch. rumbling. this is the sound of an earthquake, or more at the group cruelly, a mars quick, a tremor that measured 4.6 on the richter scale.— richter scale. what's great about this _ richter scale. what's great about this quake _ richter scale. what's great about this quake was - richter scale. what's great about this quake was that l richter scale. what's great | abou...