From the BBC

“… according to Dr Copland, the fact that such thick ice could split apart in less than an hour - as it did back in August 2005 - illustrates a more alarming point. “This shows how climate change can trigger very sudden changes even on a massive scale - when the ice shelf broke away, the rupture registered with the force of a small earthquake,” he said … According to Dr Mueller, “the difference now is that with the current rate of warming, those ice shelves are likely never to be reconstituted.”
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