The Mudcat Café TM
Thread #144058 Message #3331285
Posted By: Penny S.
30-Mar-12 - 04:15 PM
Thread Name: BS: Increasing frequency of earthquakes
Subject: RE: BS: Increasing frequency of earthquakes
The radius of the Earth is 6,378 km. The deepest part of the ocean is 11 km, but most of it is about 5 km deep. There is much, much more lithosphere, mantle and core than there is water. The density of the stuff is much greater than that of water.
Iona in the YEC thread has the problem of visualising scale - I do, too, it isn't easy, but I know it isn't.