why. scott williams, thank you for joining us. >> the show may be over. the conversation continues on our website aljazeera.com/considerthis or on our facebook or google+ pages or on twitter at ajconsiderthis. we will see you next time. >> >> good evening, everyone. welcome to al jazeera america. i'm john seigenthaler in new york. breaking news - a massive earthquake 8.2 hits off the coast of chile, triggering tsunami warnings around the ring of fire. >> mary barra, c.e.o. general motors testifies about the ignition switch and 12 deaths, and the recall of 2 million

cars. >> under fire - albuquerque police department's investigation. we talk to former new mexico governor gary johnson. >> border blessings - roman catholic leaders celebrate mass at the offense separating united states and mexico. >> we begin with the breaking news out of chile. an 8.2 magnitude earthquake triggered the evacuation of half a million people. entire towns packed up and moved into the mountains because of tsunami warnings in effect for the next six hours. the earthquake hit 6:46 local time after the navy reported tsunami activity with waves of 6

feet high. tsunami warnings and watchers are in effect for the pacific coast of south america and central america. those are live pictures we are looking at. airports in the cities of antoforgoska, ar. >> ka and akika are off and planes grounded. nine aftershocks have been recorded greater than magnitude five. jacob ward, science and technology correspondent and pat abbott, professor emeritus of geelongy. we have been listening to television in chile about the tsunami warnings. do we expect a major superstorm sandy at this point? >> well, certainly i expect

them, but i don't envisualise japan, that was 9.2. this is only a fraction. size. the tsunami, the first ones 6 feet high waves. tsunami may come in several sets of waves, and you never know where the biggest wave sequence is going to be. sometimes it's the first, sometimes the third, styles the fifth. the only reasonable thing to do is what they are doing, evacuate the towns, close the airports, have everyone head for the hills until you give it enough time for the sequence to play out. >> a difficult process, and we are looking at live pictures of people evacuated from nursing homes and hospitals. clearly it's gone well according to chilean authorities, there were earthquakes leading up to this, right. >> quite a number in recent days in the magnitude 4, and a 6.7.

beginning to look like they were the foreshocks for the event. but there's no guarantee that this is the end to the consequence, or the peak of the sequence. the next 72 hours are yet - we may have another earthquake of the same size or larger. 8.2 a big quake. 60 miles off the coast, why was there not more damage on land. >> 60 miles offshore, and, of course, at some depth on the order of 15 miles deep. the northern part of chile is not the most urbanized or developed so you don't have as many large buildings or structures. they are more fishing villages, mining towns, things of that sort. this is one of the most earthquake and tsunami active areas. these people live these things frequently, it's not like a once in several generations. every generation gets to

experience it and it helps at times like this. >> before we get to jake ward, i want to bring in geophysicist gerard fire with pacific warning center. what can you tell us. >> our last message a few minutes ago, we cancelled the warning for everywhere except peru and chile. there's wave action along the northern chile coast, but they seem to be getting smaller. the hazard is declining. the later wave may be dangerous. so it is appropriate to keep the warning up there. but we are now confident that places further away, that there is - there is no danger. we are still assessing what an appropriate action would be in hawaii and samoa. our models suggest there may be

a small hazard in those locations. they are thinking about that. >> did a tsunami occur in chile, where we had 6-foot waves. >> yes, the waves were the tsunami. they were several waves - it was over 6 feet in both tiqay and erica. some damage may have occurred. we have not seen the reports but, yes there was a damaging tsunami. >> how long would it take for a tsunami to reach hawaii. >> it would take another 10 hours. we have time to make sure the action is appropriate. >> if a tsunami hits peru, will it be similar to the waves we are talking about in chile. >> yes, in southern peru, the waves would have hit.

and there again it's probably in the 6 foot range. yes, maybe a little smaller. >> did you dom a bullet when it comes to tsunami? >> this was going to be small for the rest of the pacific. the question is did chile dodge the bullet? >> that's what i meant. >> this is an area they have been concerned about. there hasn't been a large earthquake in 100 years. a large number of earthquakes in the last couple of weeks. now we have this big one. >> there's the possibility of another quake? >> that's true, but the possibility is - the probability is low. i did 3, 4, 5% of earthquakes are followed by another that is

larger. >> a busy night for you first. well, the pacific ring of fire is a seismically active zone that surrounds the pacific ocean. all the way around down to chile. it has cemented the reputation. the ocean plates which are typically denser than shelves they but up against tend to drive under the continental shelves. that's what we are seeing here. throughout the pacific ripping of fire they are banging up against japan, north america, south america and causing the action we see here. >> it makes it vulnerable to

tsunamis. >> that's right. i mean, the way that a tsunami works is if there is - if the ocean floor is pushed upwards, the vertical motion moves water, in the same way you may be sitting on the side of a pool, if you sat quicking your feet, there's app updwelling when your foot rises to the surface. the water, as it seeks to regain its equal ibry um, seeks to be calm, moves out from that point. as we have heard from our guests at the pacific tsunami warning center and professor abbott, we see - having dodged a bullet. we see an active seismic area kicking off force, but it hasn't created the tsunami that men of us were worried about. >> does that mean there was not as much upward motion as what

might have caused a higher tsunami. >> the o is fibbing. you know a couple of waves can conspire to hold you in place. the water requires a tremendous amount of force to move in one direction. as our representative said, you never know how it will affect other places. the 2004 earthquake was in the indian ocean, and affected bangladesh, which was right there lightly as compared to somalia, a great distance away. it can dependent over the hundreds of millions of miles of ocean that it takes for a tsunami to reach land. it can change interest country to countedry, place to place -- country, place to place. >> kevin corriveau joins us from the weather center.

what are you hearing? >> we are looking at the area and have more aftershocks. i'll show you what we are looking at. the large orange is 8.2, where the main happened. the red one is the last one about an hour ago. looking at the geography in the area and toe you why akika was vulnerable. we are looking at a low-lies city. look to the north. it's very - a lot of cliffs along the coasts. spars population and a lot of cliff areas. the problems are that we do have some areas that have little river ipplets in them, such as this one here. what happens is the water would be funnelled into the area. if we had a 6-foot wave, this is it one of the most vulnerable areas across the area. so we saw 6 point or higher waves along the coastal region, in peru and chile.

they are the only ones with the warnings, all the way up to mexico at one point. they have been cancelled, and we watch this area closer to the epicentre. >> as we heard in the other direction there could be a tsunami taking place in hawaii or samoa. >> absolutely. >> there's a lot of islands out here. the waves will push outwards until you have the force, until there's something to stop it, like a sound wave, for example. we'll watch it as well, see if they put out any warnings. >> kevin, thank you very much. just to recap, there was app 8.2 earthquake off the coast of northern chile. and a tsunami did occur in - somewhere in the neighbourhood of 6 foot waves. at this point they have dropped most of the tsunami warnings along the chilean coasts.

there's warnings for peru and hawaii and samoa, but similar magnitude. about 6 foot waves. they can do damage, and the alerts are out there. we'll continue to stay on top of the story, bring you the latest developments throughout the hour. in the meantime we have other stories to tell you about. >> it's been 11 days since the washington state mudslide devastated a county north of seattle. satellite images slows the extent of the damage, receding floodwaters, officials saying that the death toll is up to 28, with 20 others still missing. allen schauffler got a closer look at the scale of this tragedy. >> have been hearing all week lopping that you don't understand the scope of this thing until you see it yourself. that is true. search and rescue has been saying is dead on. i'll take a look. we are on a hillside on the

south side of the slide. see the debris field. this is one toe of this debris field where they've been working nonstop for the last 11 address. if we pan to the right, you see the extent past the trees. people working on the fringe, and up the top of the him, where it exploded out at the base of the hill, down across the valley and what was on top sluxed on top of that. it was a double event here. stunning to see, and what you understand when you look at this is not just the fury, but the human lives, as many as 50 dead when this is all over, and the work that's gone on with volunteers, derrington, arlingtown has been extraordinary. people searching and finding their own friends and relatives

down in that landslide debris pile. amazing to see this in person. >> allen schauffler reporting from washington state on the mudslide. now, malaysian authorities have revised final words from the missing flight mh370. one of the pilots told air traffic controllers goodnight malaysian 370. earlier they said the comments were more casualty. all right, goodnight. the officials who have been accused of mismanaging the search did not explain the change in the transcript. the search for the plane has entered a 25th day. coming up, a breaking news on the massive 8.2 earthquake off the coast of chile. the latest on the quake and the tsunami warnings. missed opportunities, the c.e.o. of general motors answers questions about why it took so long to recall faulty cars.

>> the c.e.o. general motors grilled by lawmakers, under fire for waiting a decade to recall dangerous parts. the delay linked to the deaths of a dozen people. we get more from congressional correspondent libby casey. >> do you swear that the testimony you are about to give is the truth, the whole truth and nothing but the truth. >> i do. >> it was a grilling by the house on energy and oversight. would you answer the gobly gook, it's your country's specification, if a part doesn't make the specification, why in the world would you not refuse it. >> congress wants to know why g.m. installed faulty ignition switches, and why the company didn't act sooner when customers and technicians reported back problems, problems so bad that brakes and airbags fail. the suspected causes of crashes linked to 13 deaths. >> i want to show how easy it is

to turn this key in this switch. if you had a heavy key chain like my mum key chain, or if you had - were short and bumped up against the ignition with your knee, it could cause the key to switch off. >> despite the questions, members of congress heard a refrain from g.m., c.e.o., mary barra, that she wouldn't have answers until the company finishes an internal investigation. >> you don't know why they didn't replace the switch? >> i do not know, that's why we are doing the investigation. >> why was this not known as a safety issue? >> again, i can't answer specific questions, that's why we are doing a full and complete investigation. >> mary barra has been at the helm since jan, a

second-generation employee. they have created a new position to oversee vehicle safety. it was called underwhelming. >> i'm talking responsibility and liability. is the company responsible? the new g.m., is it responsible? >> we'll make the best decisions for our customers, representing that we have legal obligations and responsibilities, as well as moral obligations. >> it was not just the g.m. c.e.o. congress asks why the national safety management administration failed to acknowledge what is the problem, did g.m. not report the information that the law required or was nhtsa unable to sort through the information it had to find the problem? >> the team worked hard to understand what was happening and wasn't able to see a significant enough trend tore clear enough defect. >> the questions condition wednesday, when the senate takes a turn, digging into the federal

government, ngn, what they knew about the problems. >> now, the family of some of those killed in the general motors crashes were in washington d.c. they want to make sure the human toll of the problem is not forgotten. affordable care act is here with that part of the story. >> this is about people. the families have been dealing and the results of ignition defect. the relatives of the 13 linked to the vehicles want lawmakers to hold general motors accountable and call for all the vehicles to be taken off the road until repairs have been made. >> standing in solidarity, parents of some victims kill in crashes express their anger and sadness, holding photos of loved ones lost. like amber marie rose, 16, when her chevy cobalt crashed into a tree in 2005. her airbag never deployed.

>> i feel that g.m. needs to be held accountable to the public for the deadly consequences allowing the deadly switches to be used. >> daughters, sons, sisters, brothers, mothers, fathers, wives and husbands are gone because they were a cost of doing business g.m. style. >> in 2009, 19-year-old sara died on a sadly similar fashion. her chevy cobb alt crashed on an interstate. her air bag did not deploy. sara's mother is calling for action, to prevent other families experiencing the pain she felt for the last five years. >> the only thing that matters to me now is getting the cars off the road, like yesterday. >> this lady's son michael died when his cob alt crashed into a rockwell and burst into flames. the apology from mary barra over how the company handled the

recall does little to extinguish of the anger she feels. >> it doesn't matter. she can't bring my son back. she can't bring my daughter's brother back. she can't bring my grandchildren's uncle back from my mother's grandson back. i'm very angry, and i'm tired of being an angry mother. >> many vick tips were young like 18-year-old natasha and 15-year-old who died in a crash, leaving the driver with braindamage. >> laura christian is the birth mother of amber marie rose, said that she's identified 29 fatalities through a facebook group of a family's victims. >> general motors attributes 13 deaths to this. but, really, the investigation is the beginning. >> thank you.

here are five things to know about general motors c.e.o. mary barra. she's 52, she spent 33 years at general motors starting as a student at the g.m. institute. before becoming c.e.o. mary barra was in charge of global product development at g.m. she has an mba from stamford, grew up in general motors household. her father was a dye maker at pontiac for almost 40 years. joining us to talk about this is david undercoffler, underwriter for the "new york times". how did mary do is this. >> i think she did fairly well, all in all. for all the bluster from lawmakers, she maintained her composure, she was contrite, made it clear that the incidents of recalls and oversight for general motors in the past would not be tolerated in the general

motors that she oversees and issued several apologies. at the same time, if you paid attention to what she was saying, she didn't disclose new information. it's clear the company is trying to figure out what happened and formulate a response. is it figure out what happened or trying to figure out their response? >> it could be a little bit of both. remember that we have until - general motors was given until april 3rd to answer 107 questions. that was to be submitted to the national highway traffic safety administration. we may know more when they submit the answers on thursday. for now, it seems it could be a bit of both. >> the real question may be how far up this went to the - through the chain of command, and since mary barra was at general motors for a long time, especially in a position of power, would she know. i mean, is that the big question, or not? >> it's difficult to say.

i mean, you keep in mind that general motors an automaker of this size, there are many levels of bureaucracy, and it's possible that one level of executives may have known, and may have chosen not to act on it. executives at another level may not have been aware of it at all. i think we will know more in the coming weeks as more inquiries are done. >> what damage does it do to general motors, to its brand. do you expect to see people reluctant to buy general motors cars as a result of this? >> so far there's no signs that this is having an effect on general motors sales. today is the first of the month, we have autosales from march. general motors from 2013, march 2013 to march 2014 - they saw 4.1% increase in sales. if you compare it to ford, they

only saw a 3% increase from 2013 to 2014. clearly this is not having an impact when consumers go to the showroom to buy a car. >> she announced she'd higher a well-respected attorney who helped with distributing funds for 9/11 and up in boston for the bombing there. what exactly will he do for her? >> she announced that general motors hired him, but that's all she was willing to disclose. she was vague about what he may do. it looks like what happens is he would be in charge of dispersing funds to victims of people in crashes. prior to the 2009 bankruptcy. keep in mind general motors is shielded from civil liability. they may consider starting a fund, and fine berg would be in charge of dispersing funds to the families.

>> david, writes for the "the los angeles times" about automobile. great to have you on the program again. >> coming up, breaking news on the earthquake off the coast of chile, measuring 8.2. there are tsunami warnings in effect. we'll have a report from santiago. bishops celebrate mass along the border of mexico.

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>> welcome back al jazeera america, i'm john seigenthaler in new york, following breaking news out of chile. richelle carey is here with the latest. >> it's still coming in. it's 8.2 magnitude earthquake, two are dead, three seriously injured after the quake hit off the northern coast at about 6:46 local time.

more than half a million people are evacuating coastal areas. the chilean navy reported tsunami activity after the activity, some waves 6 feet high. there were tsunami warnings and watches in effect for the pacific coast of south america and central america. airports are closed in three major cities. landslides are blocking roads throughout the country, and there are power outages reported. so far the u.s. geological survey recorded nine aftershocks greater than five. that is what we know right noul. >> thank you very much. we are continuing to follow the story. pat abbott joins us on the telephone. she's a professor emeritus. he'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 miles off the coast. would you expect tsunami. >> it depends which way did the sea floor move. did it push to the north, out to the west. in other words there's a directional aspect as we saw in the 2004 one, where countries to the east and west were hit hard and ones to the north and south were not. >> pat abbott thank you for your insight. kevin corriveau is standing by

with more. >> we talked about the ring of fire. you can see a black dark line, where the actual fault is located, and normally on this fault you have the plate here, and the south america plate here. they come into account. the plate pushes towards the east, and you notice this is where we are seeing the activity. i want to go closer in and show you the particular main earthquake as well as we are seeing 20 or more after shocks across the region. the one in red - they happened in the last hour. we saw that 6-foot wave hitting sai iquique. as we go in a little more, it's a coastal town, low-lying, 6-foot waves along the beach area. if we go up the coast more, you

notice that a lot of the coast is really high cliff area, also it's not densely populated across the region, there was one particularly small town that saw a 6-foot wave located here in the benned region, but when you -- bend region, but when you see areas like this, when we are talking about a river or dry require bed, that's a low-lying area that acts as a fun 'em. it will be -- fun 'em, it will be funnelled and upstream of that area. we are watching. two particular countries that only have the warnings located in them. we are talking about peru, as well as chile, compared to earlier we were talking to up here to parts of central america. as we said before, we do not know yet out here to the west if warnings - if the pacific tsunami warning center will put warnings out to the area such as

samoa and hawaii. >> let's go to lucia newman in santiago chile. make you can take us through what happened tonight so far? as soon as the earthquake hit, the sirens went off. people evacuated. they had gone through rehearsals because in iquique, particularly, there had been 300 aftershocks in the last month or so, and people were concerneded a big earthquake was come, and they were right. people were told to walk, not run, and not take vehicles. a lot got in their cars. there were sand dunes in the area hit. some have shifted, they are unstable, because of the magnitude of the earthquake and the aftershocks. there has been eight for nine strong aftershocks over 0.5 on

the richter scale. we can confirm that there are two deaths, both died from heart attacks as people were injured. there was a large fire that's been reported in iquique in a warehouse. by - considering the magnitude of the earthquake, things could have been worse. the good news is people were prepared. authorities said for another six hours they should not return home, and people are waiting to hear what will happen. there has been waves it 2 metres high, hitting the coast. the question is will the subsequent ones be bigger and ominous. that we can't say now. >> lucia newman reporting from santiago. thank you very much. >> jacob ward is the science and technology correspondent, and joins us from san francisco with more. the earthquake was about 50 miles, 60 miles off chile's northern coast. tell us the difference between an offshore quake and an inland

quake. >> well, inland quakes can so much more deadly and devastated and in the long history of seismic events in chile, there has been a number of inland quakes. as you said earlier in the broadcast, this is the right characterisation, it seems as if chile has dodged a bullet. in 1868 an earthquake took place 100 miles, due north of the spot where this took place, and it devastated the next town north from iquique, which is ariqu. that had waves as eye as 34 feet. we can count our pressings we see 6 feet. that was at a time when there was no warning system, sirens or cars to carry anyone from the

shore. 25,000 were kill. it's important for all of us about the warning whether it's on or off sure, you have to evacuate the way professor abbott said. >> how does a big quake, even offshore 50 miles, not cause more damage inland? >> well, this was a shallow quake, meaning it doesn't have as much distance to travel. and, in a sense, the water can mean that it loses a great deal of energy. water can absorb a great deal of energy, take it away. an inland quake can be vastly devastating than one travelling 60 miles. that said, for a little bit of domestic context. friday and saturday of last

week. you saw people evacuating disneyland and footage of things falling off store shelves. the 5.1 - chile has felt nine of those since the earthquake struck. so we can thank our lucky stars that there hasn't been greater damage because there's a tremendous amount of activity offshore and we are lucky it's not underneath us. >> no damage, but we saw buildings shake. jacob ward, thank you very much. >> now to new mexico, where we have been telling you about a series of deadly shootings by the albuquerque police department. a peaceful protest turned into a chaotic confrontation on sunday. it's a community outraged over a 23 deadly police shootings since 2010. there has been a dozen non-fatal

shootings. the protests have been sparked by killings in the last 10 days. a homeless man, according to police was shot because he was holding knives. joining us is gary johnson, former new mexico governor. serving from 1995 to 2003. welcome. >> john, appreciate being on here. >> let me ask you - what do you make of the numbers, the sheer numbers of fatal police shootings in albuquerque? >> well, i think i'm just as concerned as everybody. i'm concerned about the notion of due process. i'm concerned about the mill tarisation of law enforcement everywhere. i mean, it seems like swat teams are set out to everything, and swat attire, and here the homeless guy - he wasn't a buoy scout. i mean he had broken the jaw of a woman officer earlier this year. but he is entitled to due

process. here it is. we had a standoff for hours. there were five officers. finally, and this is all on video camera, finally the guy says "so we have a deal?" "then we have a deal, off goes the flash, bang, a dog, and he pulls knives when the dog is about to attack him and he ends up shot in the back. so, man, i just join in the chorus of what is going on? what is happening? >> and what about the protest on sunday, and the reaction to it in albuquerque? >> well, you know, everything should be peaceful. what start out to be peaceful didn't turn out to be that way. i have no idea of the specifics, whether or not the police retaliation with tear gas was warranted, but when you do have a protest which is no longer

peaceful, in this case i know that traffic was disrupted. but it also highlights how frustrated a whole lot of people are. i don't think the number of demonstrators on the streets is reflective of the concern out there. there's a concern bigger than the few hundred that showed up demonstrating reflects. >> we had a mum on the other night with a child with a mental illness, and she said she would be afraid to call the police department. she's concerned about her son, and he does things he supt sometimes, she'd be afraid to call the police department because she's afraid he may be shot. is there serious concern about what is going on, and how is that manifesting itself? >> well, great example. i mean holy cow.

you have a - you have a mentally retargeteded son -- retarded son, and he does strange things and maybe you need help once in a while. gosh, are you going to call the police? are you going to call the police thinking about a lot of things. my daughter the other night, lives in the foothills of albuquerque, went to get her mail late in the evening and there's a homeless guy living in the foothills, and he came out saying something poll out and her concern was man, you need to get out of site. i'm going to call the police and you'll get chocked. that was her reaction. >> what is the best way to address the problems? >> well obviously they are going to look into these, but you know, from the start, i mean,

gordon eaton worked for me under my administration. he was appointed as the new head, chief of police, but when he cites the fact that police were justified in shooting, which - look, there's defense for everything, but i think i would have taken a tact that - look, this doesn't look right. we may not understand all the circumstances surrounding it, but we'll get to the bottom of it. i as the police chief am concerned as opposed to this is basically completely justified and here is why. and, gosh, you know, supreme court's granted broad authority in a lot of categories, patriot act. i mean, all that - not much of it is the result of inch and the fact that nobody is going to get away with anything. it's a big rising concern. i don't think that it exists just in albuquerque, i think

it's everywhere. >> governor gary johnson, it's good to have you on the program. thank you for sharing your thoughts. we'll continue to cover the story. >> in the middle east talks between israel and the palestine authority may be near collapse. secretary of state john kerry suggested he will not return to that region any time soon after moves by both sides that have threatened to derail u.s.-brokered peace talks. nick schifrin is in jerusalem with that story. >> with the stroke of a pen, mahmoud abbas fulfilled the desire of many palestinians, helping to bring the peace process to the verge of collapse. mahmoud abbas launched an effort to seek de facto statehood from international organizations. the current round of peace talks was conditional on the palestinians not doing this much the abbas accused the israelis of procrastinating and was not prepared to wait longer.

>> translation: we don't want to clash with the u.s. administration or use the right with anyone. we are on good terms with all. u.s. is helping us john kerry's effort are super. we met 39 times, we didn't find alternatives, this is the right. the documents request: >>. >> the treaties signed are irreversible. they cannot be released and will not be. this is a serious matter. it means we are consolidating the status of palestine as an independent state. yes, under occupation, but it's a sovereign independent state. the palestinians give that israel created the crisis when it released three groups of prisoners, and refused the fourth. now, is israel willing to talk before mahmoud abbas's announcement. it's up to the u.s. to convince them. there has to be a decisive and

intervens by the u.s. international community, which spells out an american policy, which is attracted to both sides. >> to launch the process, secretary of state john kerry made it its personal mission and met with israeli and palestine leaders 40 times. he was willing to release jonathan pollard, to keep the talks going, sentenced to life for spying on america for his rail. despite the crisis, john kerry asked israel to keep talking, because mahmoud abbas could have gone further. >> none of the agencies that mahmoud abbas signed tonight involved the u.n. none of them. president mahmoud abbas gave his word to me that he will keep his agreement and intends to negotiate through the end of the month of april. >> this process begone, the u.s. promised a comprehensive peace and backtracked and talked about a framework for future talks,

now it's scrambling to save the talks, and it's not clear whether that will be possible. >> coming up, an update on the earthquake in chile, and jake ward on the early earthquake warping system that could save lives in america.

>> democrats and republicans have been unable to reach

agreement and americans are divided on the immigration issue. catholic bishops gathered on the border to bring attention to the issue. >> at first glance the two sides here don't look that different. dusty streets and faded buildings. they are, of course, worlds apart. tuesday morning hundreds gathered along both sides of the towering steel fence that divides the border town. on the arizona side boston cardinal sean o'malley made a plea for immigration reform, calling on the angels of america. america at its best is not the bigotry and senna phobia, but the generous welcome of the new collo sis, the mighty woman with the torch, the statue of liberty who stands as the mother of

ex-isles in the new york harbour. >> then an emotional and unprecedented communion. bishops giving blessing through the bars into the hands and bars of the faithful. on the mexican side immigration reform activists gathered around this man, stealing himself for a perilous journey. he came to the u.s. in 1989 when he was 14. he was deported in february, following a dui. this morning he walked to a border station less than a block from the mass, asking for humanitarian parole while his case is repealed and asked to be reunited with his parents and fienas in phoenix. >> what do you think your chances are? >> i have faith. i don't know how long i will be detained. i don't know how the process is going to be. i have faith.

faith that everything will be okay. i hope they can listen to what we are asking. >> the scene was chaotic, cameras crowding into the corridor of the border station as he as taken into custody once again. we spoke to his lawyer a couple of hours after the metal gate came down and he had crossed into the u.s. he said that he had been detained and transferred to an immigration and customs enforcement area south of phoenix, that's where he will stay until his case moves forward, and that could take days or weeks. >> as we watched developments in the earthquake in chile, a prototype earthquake early warning system can give seismologists a brief warning, but that could be enough to save lies. >> in california, a cyst mickly

active matter, scientists say forecasting which they don't do and predicting it a few seconds or minutes ahead of time - there's a difference. >> san francisco earthquake in 1969 was 6.9 and devastated san francisco. a fire raged out of control here, and the marina had to be rebut. 3700 injuries, 6,000 deaths, and $6 billion in property damage, it was an expensive disaster. the truth is we have barely begun to study earthquakes. >> we have been watching earthquakes for, seriously, 50 years now. to think that in the last 50 years of recording we

captured the important parts - probably not. there's probably a lot of surprises still out there for us. >> science can't forecast when an earthquake will begin, in japan, which has 10 times as many earthquakes, a national network of seismologists will ping your phone in the moments before the shaking. caltech established a similar system for research purposes. the simulation of caltech's system shows an earthquake at the bottom of the san andreas fault. it's moving up the fault here towards los angeles. the red denotes the heaviest shaking, eventually it will be a 7.8 quake. the idea here is that as the purple and blue lines, the p waves hit los angeles, that's when the residents of l.a. will get the warning, about a minute and a half before the bad stuff starts. >> what is the use of a one

minute warning? >> with a couple of seconds there's a lot you can do. the dentist cap take the drilt out of your mouth or the knife out of your chest by a surgeon, or automatic things in manufacturing. >> why worry about something so rare? >> well, consider how bad earthquakes can be and how few we have experienced. thomas heaton points to 1811 and 1812 where five earthquakes at 7 and higher shook southern california and missouri. there was little damage. if you took the five and moved them to the united states today, well basically people would have a different opinion about earthquakes. >> it's not a question of whether we can predict earthquakes, it's wherever we can pay for the ability. a system in california can cost 16 to 200 million to implement. that's not taking into account the retrofitting and new

instruction codes that we have to put into place to make us earth resistant. an apocalyptic earthquake may not strike the united states in our lifetime. it will happen. the question is whether we are prepared by a few seconds to handle it. here in california, the state legislator passed a bill looking at the possibility of putting a system into effect. they put no money behind if. when you contrast that with japan, it's a start lipping difference. as one researcher poisoned out. in the united states, few lawmakers experienced an earthquake first hand. in scrappan, they -- japan, tokyo, they have felt what it's like. >> the latest on chile, and the earthquake. 8.2 magnitude. headlines are next.

>> welcome to al jazeera america. i'm richelle carey, here are the top stories. we continue to monitor the breaking news out of chile. an 8.2 magnitude earthquake hit

off the north coast 6:46. two were killed. the earthquake triggered tsunami activity, some waves more than 6 feet wide. we are hearing that a tsunami warning has been issued for hawaii, and coastal regions in chile have been evacuated. >> sitting here today, i cannot tell you why it took so long for a safety defect to be announced for this program. i can tell you we will find out. >> promises from general motors c.e.o. mary barra. she tells a house commit he that the company is conducting its own investigation as to why it took 10 years to recall a faulty ignition part. >> it's been 11 days sinned the washington mud slide. the death toll is up to 28, others are still missing.

>> government officials say a pilot told air traffic controllers goodnight malaysian 370, not all right goodnight. those are the headlines. i'm richelle carey, "america tonight" is up next. you can find the latest online. aljazeera.com. on "america tonight," deadly defect. general motor accused of hiding a serious safety problem as one mother seeks answers, congress puts gm in the hot seat. >> in other words, there is no report? >> i am saying i will share what is appropriate. >> i hear the answer. puzzle. what can we learn about flight 370 from the inside out? the anatomy of a malaysia airline's boeing 777. >> you can see if this is in the water, under the water, because they are going to sink, a