liquefaction, liquefaction is a term they use when the ground is loose. usually when structures or infrastructure is built on sand or land fill, something that's not solid, what happens is in shaking, during an earthquake, the earth that's very loose, that sand or land fill, acts like water. this is sand, sand and water coming up through a hole. in japan, all these buildings were built on liquefaction. i forget what year this was, but it was one of the bigger earthquakes. 7 story buildings built on liquefaction. the amount of time the earth shook, the earth became liquid and as it became liquid, the building sank into it until it stopped. when it stopped it just fell over. light damage buildings, superficial damage, broken windows, some plaster that might be cracked but basically a light damage building would be one that has mostly damage to the contents. shelves falling over, windows broken, that type of thing. if you had to go into a light damaged building, you would use these procedures. of course you gather information about a building before you go i

it will study the soil samples it collected looking for signs of failure and lick whi lick whi liquefaction. >> police are investigating three incidents of sexual assaults outside -- san jose police have identified that manage in connection with a brutal killing with a samurai sword. he's now accused of stabbing the woman to death on san carlos and meridian in front of dozens of witnesses on monday. the stabbing was the city's 26th homicide of the year. >> a somber anniversary in the south bay, tomorrow marks five months since 15-year-old sierra lamar was last seen. the 15-year-old evangelical initia -- advantage initia vanished after leaving for school. at this point searchers are looking for clues and closure while others say they're just holding out hope. >> there would be no effort to look for sierra if not for the dead kagsz of these volunteers. these are people that come out day after day after day, they put up with injury, they put up with disappointment and all they want to do is bring this girl back home. >> the san jose fire department has lost one of its own to an aggressive and

but we've seen some sliding, where the dirt has become mud and started to move, almost like liquefaction down the hill, so damaging the dam itself. percy quinn park, here's the dam itself, here's the little spillway that should be dumping water over, and it always does, except now there's just tremendous amounts of water coming down, way too much water coming down. and it will eventually dump into lake pontchartrain. so let's take you. this is less than a one-square-mile lake. there's water here, a lot of water, but this isn't like some tsunami, like in -- you know, like the tsunami in japan that's going to flood all the way down to louisiana. there will be, if it fails, it hasn't yet, and they're working on it to stop that. if there's water coming down the way, if it does fail quickly, water will go back a quarter mile one way or the other. go ahead and fly all the way down, sean, show you where it's going from here. comes down here, into osyka, the water coming through here, this is kentwood, they're concerned a little bit that some of these eastern homes in kentwood could get a little

northwest, devastate portland, seattle, and vancouver, and also the soil could undergo what is called liquefactionin which case buildings slide into the ocean and roads would then also dissolve into the sea. it's a nightmare beyond comprehension and it could happen in our lifetime. >> i'm scared now. how do you prepare for that? is there any way to prepare? >> the scientists at the oregon state university that released this report said we have to upgrade our building codes and re-look at evacuation plans. remember, japan is the world's leader in building earthquake-proof buildings but you saw the devastation in fukushima where the tsunami and the earthquake flattened most of the city. that country is the most advanced in terms of earthquake preparation. we have to be even better. >> who is responsible for that? i mean, city in the states don't have much money at this time of, you know, economic malaise. >> we still have some time. a 40% of a chance one in the next 50 years. by the way, previous to this report, it was thought the chance of a big one was 10%. 10% over the next 50 years. . those numb

the persian gulf with nearly half the world -- persian gulf is a crucial supplier of lng and the liquefaction facility provides 1-third of global lng supplies. as china and other nations follow in our footsteps and become major importers of crude from the middle east global peace and prosperity will depend on stability of the region and security of the sea lanes in between it and respective markets. japan joined the anti piracy missions off of somalia in 2009 and this year cut imports from iran by one third in the first five month in compliance with sanctions. going forward tokyo's increased participation in multinational efforts to combat policy and protect persian gulf shipping and confront regional threats to peace posed by iran's nuclear program and secure the sea lanes will be needed and welcome. fourth and final area methane hydrates. this is longer term and inspirational. methane hydrates are natural gas crystals in deeply buried ice formations. and south central japan at ten years of japanese domestic consumption. globally the resource has been estimated to be as high as seven hundred