How to pronounce “calved” in English

and I thought back to somebody who said to me a few years ago, he said, "Well, when Greenland starts falling into the sea, we'll be ready to get serious about climate change." Well,on August 5th, a chunk of Greenland, four times the size of Manhattan, calved off and fell into the sea. Ed Markey, the Congressman, said that's ample room for the professionaldeniers to set up their own country and they're now trying to figure out what to call it.