- Magma displacement? Is that like a seismic anomaly?
- I suppose so. Why?

6 seconds sound clip from the The Hunt for Red October movie soundboard.

You can hear this line at 01:13:48.020 in the Blu-ray version of the movie.

Quote context

[...]

- Water's too cold to eject him.

- Air boss is going to try to bring him aboard.

- Excuse me, sir. What's this sub off by herself?

- That's Bart Mancuso's boat. He's going to the bottom of Red Route One.

- He's had an intermittent contact with what his computer calls a magma displacement and he's got this...

- Magma displacement? Is that like a seismic anomaly?

- I suppose so. Why?

- Admiral, is there a way you could get me onboard the Dallas?

- What the hell for?

- I think that Captain Mancuso has found the Red October.

- He hasn't found anything, Jack. He's just waiting. He's not even sure what he heard...

- Excuse me, sir, but this silent propulsion system could easily be mistaken for something...

- The only way to get you on the Dallas is to fly you out there on a chopper and the only way we can get you that far north is to strip it down and turn it into a flying gas can.

[...]