A kiwi scientist has come out today saying if a big tsunami hits, we should be fine on higher ground. It comes after a US geophysicist simulated what would happened to our coast if there were an earthquake in the Hikurangi Subduction Zone - he predicted most of the east coast would be underwater. We speak to Archaeologist Bruce Mcfadgen who has studied the massive tsunami that hit hundreds of years ago about what happened then.
