description Tvären Overview
Tvären is a meteorite impact structure on the Baltic coast of Sweden. The impact produced a circular bay approximately 2 kilometers across, making the site visible in the coastal landscape. Its formation is estimated at roughly 460 million years ago, during the Ordovician period. Tvären is studied as an example of an impact structure partly expressed in a marine or coastal setting.
help Tvären FAQ
Where is the Tvären impact structure?
Tvären is on the Baltic coast of Sweden. The impact created a circular bay that is visible in the coastal landscape.
How wide is the Tvären bay?
The circular bay is approximately 2 kilometers across. Its shape provides a clear surface expression of the impact structure.
When did the Tvären impact occur?
The impact is estimated to have occurred roughly 460 million years ago, during the Ordovician period. It is therefore an ancient geological feature.
Why is Tvären easy to see from the landscape?
Unlike a fully buried structure, Tvären is expressed as a circular coastal bay. The bay's shape preserves a visible clue to the underlying impact event.
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