Impact structures in Finland

Note 2: "Current solid surface" topography is calculated from the deepest floor (regardless whether it is underwater or on dry land) to highest rim crest; other depth values give the depth of the floor in relation to the original terrain, thus excluding the rim and/or central uplift.

Note 3: Evidence for impact origin for a given structure is often provided in several publications.

General note 1: Crater sizes and shapes vary according to local differences.

General note 2: On Earth the (theoretical) transition diameter between simple and complex craters is 2 – 4 km.

Such small craters may be either end member or some intermediate form, and thus the given dimension estimates may be off.