Earlier this week a team of explorers discovered the world’s deepest underwater cave in the Czech Republic. The group – led my Polish diver Krzysztof Starnawski – located a limestone cave that had previously been unplumbed, determining that it reached a depth of 404 meters (1325 ft). That’s 12 meters (39 ft) deeper than the previous record holder, which was found in Italy.
For Starnawski it was a return to a cave that he had first dove into back in 1999. While there he had noticed that the limestone formations in the interior of the cave had formed in a unique and unusual way. This led him to believe that it might drop to a great depth, although he had no idea that it would be a record breaker. The cave was apparently created by hot water, rich with carbon dioxide, that was bubbling up from below. This makes the interior of the cavern unlike most others that he has explored in the past.
Over the past two years, the Polish diver has spent time searching the cave for clues as to just how deep it truly went. He discovered a narrow passage that gave him a glimpse of the deepest recesses of the cavern, but it wasn’t until another diver found that that passage had widened that they could actually go further down. On Tuesday, the team dropped an automated ROV into the cave and maneuvered it to the bottom, accurately determining its depth in the process.
National Geographic has posted an interview with Starnawski about the process of exploring the cave, and what he and his team discovered inside. You can read his thoughts on the this 25+ year odyssey and just how he went about recording the depth of the cave, here.
It is stories like this one that remind us about how little we truly know about our own planet. I’m sure there are plenty of other discoveries just like this that we have yet to stumble across. It is also a reminder of how important exploration remains, even in the 21st century.
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