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Diving between tectonic plates in Iceland's Silfra fissure
By: Dive Silfra
Silfra fissure is located in Thingvellir National Park, a designated UNESCO world heritage site. The Silfra fissure was created thousands of years ago by the shifting of the Eurasian and North American tectonic plates, which caused the earth to open in this massive split that continues to widen a few centimeters each year. Periodic earthquakes shake boulders and rocks loose, opening up new aquatic caves within Silfra and causing it to deepen. There are three main sections in the rift, dubbed Silfra Lagoon, Silfra Cathedral, and Silfra Hall. This is the only place in the world where divers can swim inside a crack between tectonic plates. When you enter the mysterious and magical waterscape of Silfra, you are actually between two continents!
The purity of the water that fills the Silfra Fissure is unparalleled. The filtering process from the water's origins in the Langjökull glacier through 50 km of underground lava fields to the subterranean Thingvallavatn Lake takes up to 100 years. The result is water clean enough to drink, and clear enough to see up to 100 meters into the distance. One of the most prized features of the Silfra Fissure, and one that draws divers and snorkelers from around the world, is the way the crystalline water refracts light into rainbows that dance on the lava formations and green algae all around.
Dive Silfra is committed to providing visitors a safe and fun underwater experience, with industry-leading safety standards and equipment, and tours designed for any level of expertise. The company is Icelandic owned and operated, with PADI® certified professional guides who lead tours with the ethos of enjoying Silfra's spectacular beauty while respecting its fragile eco-system. The water is 2-4 ° C and while the depth of the rift ranges from 10-60 m, divers reach a maximum depth of 18 m.
To learn more about the exciting underwater adventures Dive Silfra offers, please visit https://www.divesilfra.is/