Silfra in Iceland

Silfra in Iceland

Located in the Þingvallavatn Lake in the Þingvellir National Park in Iceland, Silfra is a rift that is part of the divergent tectonic boundary between the North American and Eurasian plates. Every year, the plates drift about 2 cm apart, which builds up tension between the plates and the earth mass above. This tension is released through a major earthquake approximately every ten years. In these earthquakes, cracks and fissures are formed in Þingvellir.

Silfra is one of the largest cracks and started with a deep cave where most of the underwater wells nourish it. Caves in Silfra were also formed through earthquakes. With each earthquake, boulders and rocks fall into cracks in Silfra, deepening and widening the base of Silfra over time. Great place to dive with a friend.


City Þingvallavegur


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