CNN The Situation Room May 28, 2014 22:03:00
Cnn has learned a sound that could have been the plane crashing was detected by underwater microphones. >> our analysis is designed to detect nuclear events and earthquakes. my understanding, yes, the university are looking at the data specifically with a view to finding if there's any evidence, any impact from the malaysian aircraft. >> reporter: the united nations nuclear test band organization has a network of is 11 hydrophone stations that pick up many sounds including ice breaking thousands of miles away in antarctica. but could it hear a plane hitting the water? >> it's possible, but the...