To emphasise how lucky the divers were, the entire ice cave they had just been inside exploded and broke into chunks of slush as far as the eye could see.
The event took place last September and was picked up by sensors all over the world, leading scientists to investigate where it had come from.
Wildlife can be severely disrupted when icebergs crash into islands, particularly if the bergs become stranded on the seafloor encircling the remote landmasses.
A book excerpt has been released introducing readers to colourful characters with big ideas about ice, including this one mariner on a mission to transport an iceberg from Antarctica to SA.
The A68a iceberg broke free of the Larsen C ice shelf in 2017, and it’s now bearing down on an island that’s a breeding hotspot for a number of species.
Nicholas Sloane is going ahead with his plan to tow a 100-million ton iceberg through the notoriously rough Antarctic Ocean to Cape Town.
We’re not sure what’s more mindblowing – the sheer size of this block of ice and how slow it bops as a result, or the fact that it’s over 10,000 years old. Simply breathtaking!