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Rods could heat to a boil. that means it could evaporate which ultimately would leave the rods exposed. we with joined by etan edwards, author of the book "preparedness now." i want to get a sense, there are reports of radiation levels in tokyo that are ten times normal levels. so as we speak about this, go ahead. >> what i was going to say is when you say ten times normal levels, what they want to do is not create a panic because the normal levels are very, very low. there's a process called radiation hormesis, exposure for long periods. we don't have to worry about that yet but it's getting ...

Huge area that you have in the main shock. and the magnitude is what determines the size of that area. you really do need to get up to the close to magnitude 9 to produce a big tsunami. that said, there are lots of aftershocks, way more than 20. there have already been recorded about 80 above magnitude 5 in this time, there are 20 above magnitude 6. so locally in japan, the aftershocks are going to be continuing, they're going to be a big issue. it could very well be triggering an aftershock on land that has the potential to do extra damage because it's nearby. but at the distant sites, it's t...

Height of the waves, but instead, the tidal surge, that making it for a difficult tide. >> nbc's miguel almaguer on duty for us in newport beach, this morning, thank you, miguel. and the tsunami caused by that devastating earthquake is moving across the pacific ocean right now, leaving people on many of the islands there in its wake scrambling to find safety. so what can victims of the quake expect next and how can people stay prepared for the worst-case scenario? >> we are joined now by lucy jones of the u.s. geological survey and etan edwards. lucy, let me start with you. explain now what's ...

Waters recede that they're pretty much safe. i really don't believe we're going to see another earthquake equivalent to that. one of the most important things for them to do is get to high ground, to have an orderly evacuation, and to move to areas where they can kind of like wait until the waters recede and get back into the areas they came from. >> and etan, for those waking up on the west coast or in hawaii, what is the best way to be prepared? >> well, the best way to be prepared is if when you get the warnings and you get the emergency alert system, you know, grab some of your materials. ...

several hundred are killed as the water sweeps away ships, vehicles, buildings, sparking fires, devastating coastal communities, and even threatening some nuclear plants over there. meanwhile, on this side of the pacific, waves are blanketing things, it's hitting hawaii this past hour and the west coast is now bracing for an impact later this morning. we have live reports. and we're going to hear from fema director right here ondale rundo daily rundown. >> let's get to the rundown. we will start with the breaking news out of japan. a catastrophic 8.9 earthquake in japan today. the la...