A 'hidden' oasis: How a Google Maps search led divers to a massive coral sanctuary after the storm.
In 2017, marine biologist Johnny Gaskell used Google Maps to find a 150-metre-wide blue hole in the Great Barrier Reef after Cyclone Debbie. He said he saw "huge birdsnest corals and very elongated staghorn corals" inside. These deep structures likely protected fragile coral colonies from the storm's powerful, destructive path.




