pat abbott joins us on the telephone. she's a professor emeritus.e's not on the telephone, he's live. welcome back, professor. what have we learnt from an earthquake like this and the evacuation? >> well, this is a very wise thing to do. i heartily applaud the evacuation. this is one of the most active earthquake areas. it's been hit with tsunamis in the past. the only reasonable way to handle this is to get elevation. with tsunami you never know when, it's not the first wave that is the biggest, it could be the son. wait it out to make sure the marijuana dissipated itself and return home when it's safe. >> some of the big earthquakes that hit chile in the past, they have learnt from the 2005 earthquake, and that's why they had a successful evacuation. >> i know you go though some old german settlements, they'd dig a shallow basement. put in tree trunks, there would be rollers under the house they were building homes to withstand the earthquakes. this is a population in tune with living with earthquakes and tsunami. if you have an 8.2 earthquake 60

. >> pat abbott is professor emeritus of geology and joins us to spread light on this.hat are we learnt from the loquila earthquake. >> they were destroyed by an earthquake in 1461 and 1703, but they rebuild and repeat it in 2009. they haven't learnt their lessons. we tend to respond to each earthquake by enacting laws trying not to repeat the same mistake. >> do you think chile is better or worse prepared than california. they do have mandatory evacuatio evacuations >> they do. but this is the third time the city has been destroyed. in the long term sense they are not doing it right. we know more now than we did, but we have a history of damning earthquakes. it's damaging the way they rak. >> at a cost of $49 billion. pt north bridge earthquake stands as the second costly disaster. it did at least $110 billion in damage. are we prepared for a major event. >> i think we did an excellent job. 1933, 1971 - the big earthquakes, and tell you what went wrong and what that is been changed building code wise, legal wise to make sure it does not happen again. basically the 1989