Map of sweden showing all confirmed impact craters stars and the location and size of (1)

10 Meteor Impact Sites in Sweden/Finland

By erikk

  • Siljan Ring.

    Siljan Ring.
    1. 15th largest impact zone in the world.
    2. Largest in Europe.
    3. 50 km across
    4. 1960's realized it was an impact crater

  • Tvaren.

    Tvaren.
    1. It was named after Tvaren Bay because it's near it.
    2. The crater it self is 2.1 miles in diameter.
    3. It was first identified using reflection seismology.
    4. 455000000 years old
    5. Found 1994

  • Malingen crater.

    Malingen crater.
    1. Along with Lockne crater, it's also near Ostersund City.
    2. 0.62 miles in diameter
    3. 470,000,000 years old
    4. 9.9 miles away from Lockne

  • Granby.

    Granby.
    1. The crater is 1.9 miles in diameter.
    2. It's not exposed on the surface.
    3. Östergötland
    4. 470,000,000 years old

  • Lockne crater.

    Lockne crater.
    1. A crater located 13 miles south of Ostersund City.
    2. 2,000 feet in diameter, 7.5-km wide.
    3. A doublet with the nearby smaller Målingen Crater
    4. 470,000,000 years old

  • Hummeln structure.

    Hummeln structure.
    1. Discovered in 1826, it was thought to be a result of plate tectonics.
    2. But in the 1860s, it was concluded to be caused by a asteroid.
    3. 1.2 km in diameter and 160 meters deep
    4. Located in Småland province
    5. 470,000,000 years ago

  • Lappajarvi Crater in Finland

    Lappajarvi Crater in Finland
    1. It's a lake formed by a meteor, it's part of Ahtavanjoki basin in Finland.
    2. 14 miles wide.
    3. 66 million years ago
    4. Largest or 2nd largest crater in Finland
    5. Started to research 1858

  • Dellen.

    Dellen.
    1. Two large lakes formed by an impact crater.
    2. Southern Dellen has a surface area of 52 km2 and a volume of 1,226 million m3.
    3. Norther Dellen has a surface area of 82 km2 and a volume of 1,489 million m3.
    4. Named after the rock left behind, Dellenite

  • Keurusselka, in Finland

    Keurusselka, in Finland
    1. It lies between two towns, Keuruu and Mantta.
    2. The crater is 17 miles long.
    3. Keurusselkä is a lake in Central Finland between the towns of Keuruu to the north and Mänttä to the south. It covers an area of 117.3 km2 (45.3 sq mi).
    4. discovered in 2003 by amateur geologists.discovered in 2003 by amateur geologists.
    5. the rock underwent extreme shock pressures of between 7–35 GPa

  • Mien Lake.

    Mien Lake.
    1. It's a lake formed from an asteroid impact site.
    2. 3.4 miles in diameter.
    3. According to legends a meteor has crashed here and given the lake its characteristic, almost perfectly round shape and great depth, around 43 m north of the island Ramsö.
    4. Found in 1965.
    5. Precambrian.