description Söderfjärden Overview
Söderfjärden is a meteorite impact structure in Ostrobothnia, Finland, near the city of Vaasa. It forms a broad, distinctive basin with a roughly polygonal outline and is about six kilometers across. Much of the structure is covered by younger sediments and cultivated land, so the impact origin is understood mainly through its shape and geological evidence rather than through a visible rocky crater.
help Söderfjärden FAQ
Where is Söderfjärden crater?
Söderfjärden is in Ostrobothnia, Finland, near the city of Vaasa. Its broad basin has a roughly polygonal outline.
How large is Söderfjärden structure?
The structure is about six kilometres across. Much of it is covered by younger sediments and cultivated land, so the impact shape is easier to appreciate from maps or aerial views.
Can you see Söderfjärden as a classic deep crater?
Not in the way you might see a fresh bowl-shaped crater. Younger sediments and farmland cover much of the structure, leaving a broad basin rather than a sharply preserved crater rim.
Why is Söderfjärden important geologically?
It is a meteorite impact structure close to Vaasa in western Finland. Its polygonal basin and buried parts show how later sediment and land use can mask an ancient impact feature.
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