
Originally Posted by
ghosthunter
Its because the capsule will be hit hard objects regardless if it's anchored or free to move. If anchored, debris, house, boats, cars, etc in the tsunami will hit the capsule. If free to move, it will still hit large objects like buildings not moved by the tsunami. The difference would be if the capsule is anchored, once the tsunami recedes (hours later), you know you will still be in the same place (dry land). If it's free to move, you might be moved kilometers way or worst, swept into the sea.