Lockne crater
Encyclopedia
Lockne is a meteorite
crater
, located approximately 21 km (13 mi) south of the city of Östersund
in Sweden.
It is 7.5 km in diameter and the age is estimated to be 455 million years (Upper Ordovician
). The crater is exposed at the surface. It is thought to be a marine target impact event.
Meteorite
A meteorite is a natural object originating in outer space that survives impact with the Earth's surface. Meteorites can be big or small. Most meteorites derive from small astronomical objects called meteoroids, but they are also sometimes produced by impacts of asteroids...
crater
Impact crater
In the broadest sense, the term impact crater can be applied to any depression, natural or manmade, resulting from the high velocity impact of a projectile with a larger body...
, located approximately 21 km (13 mi) south of the city of Östersund
Östersund Municipality
Östersund Municipality is a municipality in Jämtland County in northern Sweden. Its seat is located in Östersund, which is also the county seat of Jämtland County....
in Sweden.
It is 7.5 km in diameter and the age is estimated to be 455 million years (Upper Ordovician
Ordovician
The Ordovician is a geologic period and system, the second of six of the Paleozoic Era, and covers the time between 488.3±1.7 to 443.7±1.5 million years ago . It follows the Cambrian Period and is followed by the Silurian Period...
). The crater is exposed at the surface. It is thought to be a marine target impact event.