Detailed text transcripts for TV channel - MSNBC - 20110311:09:45:00
Ebbs and flows of the ocean current. when the buoys notice and detect higher ebbs and flows they send out a signal. it was so close to the coast they didn't necessarily need the tsunami warning systems. >> right. it's something that is a growing science much like our atmosphere that we are always studying and getting more technology to help us. the buoys are one element. they had 30 seconds. now, with the tsunami warnings, we have hours. people are starting to get to higher ground. it's something we want to emphasize. listen to the local officials and keep your ears and eyes open at this point...