video shows a bright burning object streaking across the sky on friday in the chelyabinsk region. that's 1,500 kilometers east of moscow. the object left a trail of smoke. people heard a series of explosions. officials say the object's impact shattered windows, and they say flying glass hurt about 500 people including 30 children. the officials say it damaged at least 300 buildings including a zinc factory in the main city, chelyabinsk. mobile phone networks went down for a while. schoolteachers canceled classes for the day. troops searched for debris from the meteor. they found a whole 8 meters in diameter in a frozen lake 70 kilometers west of chelyabinsk, and they found a crater nearby. some reports say say people have found at least three objects that appear to be part of the meteor within 100 kilometers of chelyabinsk. >> translator: a small asteroid entered the earth's atmosphere and started burning. it looked like a bright fireball in the sky. the meteor fell faster than the speed of sound, and we believe the shockwave is what shattered the windows. with this kind of size,

situation like this you know at first everyone is very shocked they see the video coming out of chelyabinsk from all its various angles they hear the audio they're shocked but then you see what people are willing to post and make others believe. about what's happening we go to some tweets here you know tanks have passed on the street citizens are urged to get down to their shelters lunchbox handouts have been arranged vertically that that might not be real and then i think it was the same person here went ahead and tweeted we're being given chemical protection and gas mask the city is almost entirely evacuated we're setting up barricades and invasion is coming which is odd to think that if he's actually tweeting about it that the city is being evacuated and things like that just totally fall for these things but then i get the funny actually the twitter sphere was trending heavily with what was going on with the meteor of the funny things such as the citizens of chelyabinsk are already checking to see what superpowers they have because you know obviously radiation was levels were broadcaste

chelyabinsk has made history before for not being in the news. it was part of the old soviet union's nuclear weapons program and was a closed zone, forbidden ground for foreigners. now it's famous as the place where heaven and earth met with a bang, anthony. >> mason: mark phillips, thanks mark. derrick pitts is chief astronomer at the franklin institute in philadelphia. derrick, what caused this huge explosion and sonic boom that's associated with this meteor? and why did it cause so much damage over such a wide area? >> reporter: anthony this meteor was coming into the earth's atmosphere at 40,000 miles per hour. as it comes into the atmosphere, it has to dissipate that energy somehow and the dissipation goes into heating the air around it as it plunges in. but it also goes into breaking up the meteor, so it breaks up into smaller pieces. that helps to dissipate the energy. the reason why it was spread over such a large area is because the measurement on the contrail behind it is about 300 miles long. this is essentially skipping into the atmos

situation like this you know at first everyone is very shocked they see the video coming out of chelyabinsk from all its various angles they hear the audio they're shocked but then you see what people are willing to post and make others believe. about what's happening we go to some tweets here you know tanks have passed on the street citizens are urged to get down to their shelters lunchbox handouts have been arranged vertically that that might not be real and then i think it was the same person here went ahead and tweeted we're being given chemical protection and gas mask the city is almost entirely evacuated we're setting up barricades and invasion is coming which is odd to think that if he's actually tweeting about it that the city is being evacuated and things like that just totally fall for these things but then i get the funny actually the twitter service was trending heavily with what was going on with the meteor of the funny things such as the citizens of chelyabinsk are already checking to see what superpowers they have because you know obviously radiation was but levels were broad

attention two hundred of them are children when those bright flashes of light lit up the sky in chelyabinsk bystanders say that what they heard was something that reminded them of an earthquake also with thunder happening at the exact same time in the force of the blast pushed through windows and it pushed people across their offices it was very shocking people didn't know if it was the end of the world if it was meteorite hitting if it was a bomb people were very very frightened as you can imagine and so there have been a lot of injuries because of this is a mid-size city at least three thousand buildings were were ruined when this when this actually happened the impact sites in the area reportedly there are three of them and at this point they've been roped off and are being investigated for radiation so let's talk about the magnitude of the damage you kind of mentioned a little bit earlier but can you give us a sense of the magnitude of what exactly has been destroyed and how much. you have let's talk about the media itself according to the russian academy of scientists it is estimated t

residents of chelyabinsk, russia are struggling to return to normal, after a meteor strike that shatteredd nerves. the sonic boom and resulting pressure wave collapsed doors and storefronts. more than a thousand people were injured. the estimated cost to the damage is 33-million- dollars. authorities have sealed off a frozen lake, where at least some of the fireball appeared to have fallen. but so far, divers have found no trace of the meteor. >> "everyone fall down like this, and ground shake a little." >> the cleanup in chelyabinsk continues. more than 24-thousand people are working in the cold weather to cover windows and gather clothes and food. teams of investigators are now sifting through the carnival cruise ship looking for what may have caused the fire that stranded the boat at sea. susan candiotti is in mobile alabama with the very latest. >> reporter: you can see the ship in the backyard behind to beat. to give you a sen leaked size, fun it is the size-of three football fields. it is the emphasize. they have a lot of work ahead of them as they are will to go. where the fire cou

the russian city of chelyabinsk cleans up after friday's spectacular cosmic event. more than 20,000 workers are helping repair damage caused by the meteor. the fireball streaking above the ural mountains created a sonic bomb shattering 200,000 square meters. the meteor packed a punch of 10,000 tons, the equivalent of 4,000 land rover vehicles racing to the earth at a staggering 15 kilometers per second. speed and friction heated the air to thousands of degrees causing the light show in the sky. still, scientists explain it was nearly impossible to see it coming. >> the meteorite came more or less from the direction of the sun. it was kind of masked. optically, it would be difficult to detect because it was coming with the sun behind it so you couldn't see. >> fragmentss of the meteorite are believed to have fallen in this icy lake. >> in a matter of seconds, it grew from a small tennis ball to a huge ball and then an explosion, no sign, just unbelievable bright flash like magnum and i noticed seven big sparkles went down this way. >> the meteor disintegrated, reduci

. >> this was the site seen by many in chelyabinsk as they went to work and brought children to school. fragments of a meteorite rained down from this guy camera briefly turning the day into night. people films the trail of smoke left in its wake, and then -- [crash] a sonic boom, that set off car alarms and smashed windows. 250 people are injured, according to the ministry of internal affairs, three in critical condition. most of the windows in this factory exploded, and the children starting their lessons at school, some were by flying fragments of glass. the vast chelyabinsk region of russia is some 500 kilometers east of moscow, and is where the first soviet plutonium bomb was developed. many residents thought this was a military attack from the sky. authorities are reassuring the top nation of 3.5 million that no nuclear facilities were affected. the meteorite fragments cause damage in six cities in this region. >> british detectives have arrested three men suspected of selling horsemeat as beef. police raids on two houses in northern wales in england. russia has now said it may h

. >> reporter: people in chelyabinsk, russia are cleaning up after a meteor exploded over the region friday. they're picking up pieces of shattered glass. and rebuilding windows and doors. this man says his aquarium cracked and the glass on his door broke into pieces. the blast damaged more than 4,000 buildings. the area is extremely cold. so workers are rushing to reseal windows as soon as possible. the governor promised to replace all windows within a week. nasa estimates the explosion was about 30 times the size of the nuclear bomb dropped on hiroshima. local officials say it injured more than 1,000 people and caused about $33 million in damage. cameras captured the meteor in the sky over central russia. now, crews are trying to find fragments of it in a lake about 50 miles from the town of chelyabinsk. there's a large hole where some say part of the meteor fell. scientists say an event of this magnitude happens once about every hundred years but it's not uncommon they say for meteors to impact the planet more often. >> earth is hit with 100 tons of space debris every day. and tha

but until those final seconds in the skies over chelyabinsk, no one saw it coming. in this day and age, how is that possible? kpix 5 sharon chin tells us the answer is pretty simple. >> reporter: a bus-sized fireball exploded across the russian sky. dashboard video cameras captured the meteor soaring an estimated 33,000 miles an hour, with the force of two world war ii atomic bombs. [ sound of explosions ] >> reporter: the explosion shattered thousands of windows and injured about 1,000 people in chelyabinsk. the sonic boom was felt in booms and classrooms. astronomers call it cosmic coincidence that the meteor struck on the same day that an asteroid passed near the earth. but why did we know about the asteroid a year in advance, yet have no warning about the meteor? >> it just snuck up on us. that's not unusual for the small ones. >> reporter: an astronomer at chabot space and science center says the meteor was too small to detect by radar. the meteor was only a third the size of the asteroid. the asteroid was about as big as a supermarket. he mckeegan says we're l

now, crews are trying to find fragments of it in a lake about 50 miles from chelyabinsk. there's a large hole where some say part of the meteor fell. scientists say an event of this magnitude happens about once every 100 years but it's not uncommon for meteors to impact the earth often. >> earth is hit with 100 tons of space debris every day and that includes at least one basketball sized object. >> reporter: the explosion and astroid that just missed earth has people looking up. >> while russia copes with the aftermath of that meteor, residents of northern california panicked when they saw a fireball streak across the sky. in fact, dozens called the american meteor society to find out what was happen. turns out it was likely a fairly common meteor, according to that group, and the fireball did not cause any injuries. >>> a desperate search for survivors tonight after a bomb blast in southern pakistan kills at least 65 people and injuries 200 others. authorities there say the bomb was hidden in a bats tank in a -- in a water tank in a shiite neighborhood and was detonated

one thousand people living just south of the city of chelyabinsk.n friday morning they like everyone in the region were shocked by what they saw. an intense light. followed by a trail of smoke across the sky. kindergarten worker olga matveeva says the 20 children who were in this room ran to the windows when they saw the light. but she felt something was wrong and moved them away. she says she was still facing the windows when the meteor's shockwave hit. as the windows blew in, flying glass cut olga's face and hands. she says she didn't notice because she was worried about the children. most were safe but terrified. but one was bleeding heavily. three year old sasha suffered deep cuts to her head and face. her mother marina ivanovna ran to the kindergarten after she heard the blast. >> "i was shaking," she says. >> "i grabbed her and started to calm her down. a lot of kids were crying too." ksenia zarkina was also in the room that morning. she wasn't hurt physically by the blast. but her mother says she's traumatized. she's been too afraid to stand

other people posting it's negative seventeen degrees celsius in chelyabinsk there's wind and a slight meteor shower and then the person who decided to post a valentine's post says who's that guy who promised to pick a star from the sky on valentine's day because obviously apparently did a very good job of it and then of course aside from twitter which has seen an astronomical no pun intended amount of traffic because of this you also see a lot of very hilarious photos and things being posted online a lot of photoshop happening there with angry birds riding the tail of the meteor through the air into the city then of course you've got to have the russian favorite bruce willis stop calling me then there's the dinosaurs that stuff killed my brother next thing you've got is chuck norris why didn't the media hate america chuck norris kicked it to russia and then the nature loving president president putin harnessing the powers of the media or writing it right to earth that's a very popular thing to do with pictures of him being involved with the natural world and things like that so it's s

falling rocks from the sky and then a little weather report it's negative seventeen degrees in chelyabinsk with a slight with wind and a slight a slight meteor shower just a just a little one right and then. a little in ode to valentine's day in those one liners you hear about plucking a star from the sky who's who is that guy who promised to pick a star from the sky valentine's day because obviously if you're out there trying to tell you about it of course and then of course you've got photoshop and what happens when photoshop and the internet meet obviously hilarious get angry birds is writing well they're going to be about the meter outside the yeah exactly bruce willis willis from armageddon stop calling me he's a russian favorite huge fan base here and then you've got you've got people like not people you've got dinosaurs saying hey you know that's this meteor is something that killed my brother you've got there. this is the stuff that killed my brother you've got chuck norris shooting the media from the usa of course over to russia and then of course to be photoshop of all photoshop.

bit of time on his hand and then you go to you know the nearly funny stuff like the citizens of chelyabinsk are already checking to see what superpowers they may have. you never know you know and of course with all of the nuclear nuclear facilities in that area there's at least seven there are testing for radiation you never know and we've got that it's negative seventy degrees celsius in chelyabinsk there's wind and a slight meteor shower just a small one and then who is that pertaining to valentine's day that had just happened who is that you know what who promised to pick a star from the sky on valentine's day because clearly they're dealing with the aftermath of that right now and of course right on the heels of that we've got a lot of russian people who are tweeting about that goods photo shop is just going gangbusters stop calling me says are as well as we're going to get here you know russians are huge fans. of bruce willis anything anything he does here and then you've got dinosaurs also insisting that something like this isn't what i when we had to be with their yeah that's got to

fantastic there were no fatalities so we can have a sort of a bit of a play around with it but chelyabinsk is a region with nuclear facilities and he could have facilities of a dozen or so so there was a real danger i suppose the sonic boom caused by this meteor or entering the earth's atmosphere could cause danger to those nuclear facilities and lead to some sort of nuclear fallout we saw it in which you see more of course a rise in japan so the sonic boom that caused windows to be smashed and things like that and those where the injuries came from results yeah that's exactly the there's no evidence as of yet that the meteorite actually collided with us what it is is one of me too you'll let me explain the difference and. i'm going to try that i certainly hope it work. when a meteor enters the earth's atmosphere it is known as a meteor right and burns up and breaks up into smaller fragments and usually just burns up into not thing if anything collides with any of those fragments they're known as meteorites they say colliding with of course this isn't the first time this has happened when

sometimes there were no fatalities so we can have a sort of a bit of a play around with it but chelyabinsk is a region with nuclear facilities right if you kill a facility the dozen or so so there was a real danger i suppose the sonic boom caused by this meteor or entering the earth's atmosphere could cause danger to those nuclear facilities and lead to some sort of nuclear fallout we saw it in our consumer of course a right in japan so the sonic boom that caused windows to be smashed and things like that and that is where the injuries came from results yet that's exactly the there's no evidence as of yet that the meteorite actually collided with what it is you want to me to you'll let me explain the difference and. i'm going to try that i hope it works on a meteor enters the earth's atmosphere it is known as a meteor right and burns up and breaks up into smaller fragments and usually just burns out into nothing if anything collides with any of those fragments they're known as meteorites and that's what makes contact or collide with but there's no evidence as of yet there was any any colli

other people posting it's negative seventeen degrees celsius in chelyabinsk there's wind and a slight meteor shower and then the person who decided to post a valentine's post says who's that guy who promised to pick a star from the sky on valentine's day because obviously apparently did a very good job of it and then of course aside from twitter which has seen an astronomical no pun intended amount of traffic because of this you also see a lot of very hilarious photos and things being posted online a lot of photoshop happening there with angry birds writing the tail of the meteor through the air into the city then of course you go to the russian favorite bruce willis stop calling me then there's the dinosaurs that stuff killed my brother next thing you've got is chuck norris why didn't the media hate america chuck norris kicked into russia and then the nature loving president president putin harnessing the powers of the media or writing it's right to earth that's a very popular thing to do with pictures of him being involved with the natural world and things like that so it's somethin

crashing in the urals early on friday what a wake up call that was for the local inhabitants of chelyabinsk wasn't it they went out of bed by nine twenty five that morning they certainly were after that i want to shocking thing to happen as well first they described that intense bright light the best a lot of people could describe it as was big like a nuclear bomb going off maybe there was a lot of worry then came the bang the whoosh the pressure blew they said they could feel it inside shocking and in the last hour as well a development two scientists now looking for traces of the space visitor one report suggesting that a an expedition of academy of sciences might have found some of them and that will be interesting as well they'll be taking that back for analysis i guess here in moscow trying to find out where that came from anyway on top of the story here is he got his gun off. it was like a scene from messiah for a movie but with one exception it was real first the brilliant flash this big bright like he was sharing across the sky you know blinding brighter than the sun the skies were

no matter how you look at it not hard to imagine the shock of the people that were in the child chelyabinsk area that witnessed all that first that blinding flash they thought was a nuclear bomb some of the people there going off there that the roof of the pressure they were describing how they kind of felt it within their bodies and then of course if you were in a building when that blast went off and the windows came in the main injuries were caused from out flying glass twelve hundred casualties plus what we're hearing tonight after a struggle to locate traces of this space visitor there was an awful lot of it left apart from the big chunks what went into a lake a team of the russian academy of science it's have now reportedly found parts of it are going to be setting that off for testing picking up the story a big story in the week it was for us wasn't it is r.t.c. goalpost going off. it was like a scene from a site for a movie but with one exception it was real first the brilliant flash is big bright like he was shiny across the sky you know blinding brighter than the sun the skies wer

canadian ice hockey star michael garnett plays for the chelyabinsk team and lives in the city. i was awakened by this loud bang, crash and shaking in my apartment that, you know, literally shook me out of bed. i kind of gathered myself and looked out the window and i saw this giant streak across the sky that was the tail of the meteor. >> reporter: the last minutes of the meteorite's journey were captured by hundreds of cameras as it crossed central russia at a speed of around 20 miles a second, briefly casting a shadow over communities below before passing on. cctv in this office recorded the moment its journey ended. people on the ground have been injured, most cut by flying glass. russian authorities say there is no lasting danger-- radiation levels in the area are normal. but no one who witnessed this visitor from space in its final moments is ever likely to forget it. >> brown: scientists say the meteor weighed about ten tons. and in what's being seen as a cosmic coincidence, it came on the same day as an asteroid that came exceedingly close to earth, at least in space ter

more than 24,000 people working to clean the damage from the chelyabinsk region.xplosion blew out windows from more than 4,000 buildings and 1200 people sustained injuries most caused by flying glass. >> i told the students to move from the windows and not long after that the meteor explode. they were all fine, but when they got back to their seats the piece of glass threw over their head. >> reporter: nasa estimates the meteor to have been 55' across and weighing 10 tons the same as a school bus, but smaller than the unrelated asteroid that flew by earth a few hours later. it created a dangerous situation with midday temperatures around 10 degrees fahrenheit. some are heading out to a frozen lake to look for meteor fragments. >> i noticed it went down this way and thought an asteroid is flying. here it shattered. i better pay attention to where it falls and go and explore them. >> reporter: the region's govern estimates the damage to be in the neighborhood of $33 million, but promises all residents that all the windows bron outland released in next week. in los a

the shock wave over the town of chelyabinsk. >> it blue the vents out of my bathroom. there was debris on the floor. i'm up on the 23rd floor and i could feel the building swaying. >> pieces of the meteor punched a hole in a nearby frozen lake but missed a town and a nearby nuclear plant. >> the region is believed to be the site of a biggest meteor landing 105 years ago. >> in just a few minutes our coverage will continue live from oakland. if you saw that fireball tonight here in the bay area, let us know. go to our web site, nbcbayarea.com and click on "submit your photo" on our home page. >> joining the rank and file for. >> to see and tweet. palo alto's police chief took the citizens he's protecting on a virtual ride along tonight. the chief is manning the streets to show he's listening to concerns about rising crime. we have more on the chief's night duty. >> reporter: palo alto police chief dennis burns is still out on control. can you follow his movements on twitter right now. he's believed to be the first police chief in the bare area to do the virtual ride alo

phil black, cnn, chelyabinsk, russia. >> so, that was a meteor? did you see the green streak today?h? it was none other than danica patrick. she's very popular today. there she is wrapping up an interview with someone else. danica patrick, the first woman ever to win pole position in the daytona 500. coming up. >>> danica patrick made history today becoming the first woman ever to make pole position. she's going to join me live on the other side of this break. [ woman ] ring. ring. progresso. your soups are so awesomely delicious my husband and i can't stop eating 'em! what's...that... on your head? can curlers! tomato basil, potato with bacon... we've got a lot of empty cans. [ male announcer ] progresso. you gotta taste this soup. then you're going to love this. right now they're only $14.95! wow-a grt deal just got a whole lot better. hurry. $14.95 won't last. >>> all right. that green streak you're looking at, there it is. can we see the green streak? there it is. it's going 196 miles per hour behind the wheel is a nascar driver speeding into the history books. it's danica patri

this was the site seen by many and chelyabinsk, as they've made their way to work and to their children to school. there was no warning of the meteorite. using their mobile phones, people found the trail of smoke. -- filmed the trail of smoke. and then, a sonic boom would set off car alarms and smashed windows. >> there was a flash of light. a loud blast happened. people started to panic. somebody screamed, the end of the earth. it reminded me of action movies. the light was very bright. the light lasted for three seconds. >> hundreds of people were injured, mostly by fragments of flying glass. several are in critical condition. the region that lies 1,500 kilometers east of moscow. it is were the first soviet plutonium bomb was developed. many residents thought this was a military attack. even the damage is being reported in six cities, it was a lucky escape for the region. >> the meet your felonies -- the meteor fell in a sparsely populated area. we are very lucky. >> russia will need bigger telescopes and a lot more of them if they are to create an early warning system. most media hou

chelyabinsk. officials are confirming reports that people discovered meteorite debris in another area. >> a small asteroid entered the earth's atmosphere and started burning. it looked like a bright fireball in the sky. the meteor fell faster than the speed of sound and we believe the shock wave is what shattered the windows. with this kind of size, it's very difficult to detect until it actually hits the earth. it's fair to say this event was completely unforeseen. >> the incident in russia, coming ahead another out of this world event. an asteroid is on course to make a close approach to the earth, but there's is no possibility of a collision. the asteroid is called 2012 d.a. 14. scientists estimate its 45 meters in diameter and weighs 130,000 tons. it revolves around the sun about once a year. nasa analysts say it will be closest to earth on friday at 2:25 p.m. new york time. that's 4:25 a.m. on saturday in tokyo. the analysts say the asteroid will be less than 28,000 kilometers tr earth, close

ministry say witnesses saw a burning object streaking through the sky on friday morning in the chelyabinsk region. that's 1500 kilometers east of moscow. they say the object emitted strong light and people heard a series of explosions. the officials say the impact damaged more than 300 buildings. glass fragments from shattered windows injured many people. teams are searching a radius of several hundred kilometers to find possible debris from the meteor. >> translator: the small asteroid entered the earth's atmosphere and starting burning. it looked like a bright fireball in the sky. the meteor fell faster than the speed of sound and we believe the shock wave is what shattered the windows. with this kind of size it's very difficult to detect until it actually hits the earth. it's fair to say this event was completely unforeseen. >> researchers say the united states believes north korea could be preparing a new missile launch in the wake of tuesday's nuclear test. their analysis is based on recent satellite photos of a launch site in the northeast of the country. researchers at johns hopkins

potentially lethal meteor streaks across the sky above russia and crashes in a central city of chelyabinsk. it blew out windows and rocked buildings. many people grabbed their phones and recorded the footage of a massive burst of light. now this report from moscow from daniel sanford. >> the first thing people notice was a bright fireball flying through the clear morning sky. dozens of video cameras captured the same event. what seems to have been a meteorite burnt in the >> i saw an object moving through the sky and then there was a crash. we first thought it was fireworks. and we saw a trace as if from a rocket, followed by an explosion a couple minutes later. the shock waves from the blast knocked over walls and blew out the windows. this factory suffered extensive damage. people who had rushed to look out the windows to see what was flying over head were injured by windows matching. hundreds were treated for cuts to their heads and hands. the mobile phone network stopped working because of the number of people trying to call friends and relatives. at this stage, it appears the eye witn

today crews in the russian town of chelyabinsk cleared a trail of debris, some 50 acres caused by yesterday's fireball. and at a nearby frozen lake, searchers collected possible fragments of the meteor. scientists say it exploded with a force 20 times greater than the hiroshima bomb with the earth's atmosphere acting as a caution. the fireball shattered windows, damaged buildings, and injured more than a thousand people. the biggest bang in more than a century caught scientists by surprise, as the world was focused on a bigger asteroid and its close encounter with earth. overnight in northern california, reports of another possible fire ball captured on amateur video. separate incidents scientists say, but with the same message. >> i think that the meteor incident in russia is a wake-up call especially when one considers it arrived at the exact same time, the exact same day as the asteroid fly-by. so i think that we're really becoming very aware that we are in jeopardy from these types of collisions. >> reporter: aware, but how well is the world prepared? nasa budgeted $20 million last year t

atmosphere, produce an enormous shock wave that blew en out windows and injured 1200ows people in chelyabinsk, russia. tony guida has more on the largest known media to hit the earth since 1908. 1908. >> reporter: at chebarkul lake 950 miles east of moscow, scientists today looked for

it happened in russia in the chelyabinsk region 900 miles east of moscow in the mostly rural ural noticeix 5 reporter cate caugiran reports on that and another big rock flying towards earth. wild night. >> reporter: that's right. this asteroid or this asteroid also comes on the same day and now researchers are trying to see if there is a link between the two of them. it's known as 2012-da14. researchers hope this asteroid can help them learn to avoid collisions with larger ones which could destroy the earth. nasa says this asteroid will move quickly and past us. as you said, 500 people are hurt in the meteor that exploded over russia. most of them were cut by glass broken by the shockwaves. >> an object the size of the house or car cannot be seen by telescopes and they creep up right behind you and catch you off guard. >> reporter: this meteor led some researchers to question if there is a link again between the asteroid headed to earth but we are just learning that scientists say it's merely a coincidence. the asteroid will fly by the closest fly-by for an object of its size within 17,0

now crews are trying to find fragments in a leg about 50 miles from chelyabinsk. scientists say an event of this magnitude happens about once every 100 years, but they say it's not uncommon for meteors to impact the planet more often. >> we are hit by about 100 tons of space debris every day. >> reporter: the explosion in russia and an asteroid that just missed earth has people looking up. late friday, some in the san francisco bay area reported seeing a fireball streaking through the sky. experts say it was likely another meteor, but that the three events are unrelated. tatiana anderson for cbs news. >>> it's a mistake they won't make again. the crafty way a couple tracked down their stolen ipad from a plane and the surprising thief they found using it. >>> it feels like you're on a roller coaster pretty much. >> a roller coaster into the history books. how the crew of this racing yacht was able to do it. >>> another unseasonably mild day here in the bay area. but what goes up certainly comes back down. the day that cools off. and the rain, when it arrives, as th

. >> reporter: people in chelyabinsk, russia are cleaning up after a meteor exploded over the region friday. the blast damaged more than 4,000 buildings. this man says his aquarium cracked and the glass on the door broke into pieces. the governor wants them all replaced within a week because this area is so cold. nasa estimates the meteor exploded with the force of at least 20 hiroshima atomic bombs. >> if this amount of energy had been detonated at ground level, instead of ten miles up, it would have probably leveled a -- every single building in an area the size of chicago. >> reporter: local officials say the explosion injured more than 1,000 people and caused about $33 million in damage. cameras captured the meteor in the sky over russia. now crews are trying to find fragments in a lake about 50 miles from the town. scientists say an event of this magnitude happens about once every hundred years but they say it's not uncommon for meteors to impact the planet more often. >> we are hit by about 100 tons of space debris every day. >> reporter: the explosion in russia and an asteroid

windows w that streak of light could be seen for hundreds of miles.re the city of chelyabinsk-- 900 miles east of moscow-- bore the brunt. mark phillips begins our coverage. >> reporter: visits from outer space may have been happening since the

the atmosphere, produce an enormous shock wave that blew out windows and injured 1200 people in chelyabinsk, russia. tony guida has more on the largest known media to hit the earth since 1908. >> reporter: at chebarkul lake, 950 miles east of moscow, scientists today looked for remnants of the meteor. fisherman valery morozov saw the space rock falling through the sky. "in a matter of seconding," he says, it appeared to grow from a small flare into a huge ball and then an unbelievably bright flash. >> about once every 100 years something bigger than a minivan will come through the atmosphere and impact either our atmosphere or the earth. >> reporter: and this was that event? >> that was that event. >> reporter: charles liu, an astronomer at the city university of new york, says we were lucky that the meteor, made up prarl of rock or ice, blew up in the atmosphere with a force of 20 atomic bombs. >> if this amount of energy had been detonated at ground level instead of 10 miles up, it would have probably leveled every single building in an area the size of chicago. >> reporter: that's hundre

earth for when you come to our local weather reports it's negative seventeen degrees celsius in chelyabinsk there's wind and a slight meteor but our schools. yeah but really when you say really i'll get i think so ok and then you know who is the guy who you know it's that one liner that happens on valentine's day pluck a star from the sky who is that you know what who promised to pick a star from the sky on valentine's day you're certainly going to mean that in a team of course and then you've got people from all over you know english speaking countries tweeting about breaking news baby found in the middle of the media right crush that he's miraculously unharmed wrapped in what seems to be a red cave an allusion to superman if you give you get that i got mad when i saw that thought that was nice and then of course you've got the photo shop action angry birds flying in on the tail of the media are coming and then you get the rush or bruce willis popular boy are going around the world started to watch this stuff killed my brother please don't laugh. as years ago yes you never know you got to