kaali

Kaali is a small group of 9 meteorite craters on Saaremaa, Estonia.The largest of the craters measures 110 meters in diameter and contains a small lake (known as Kaali järv (Lake Kaali)). The meteor cluster had an impact velocity of 10-20 km/s and a mass of 20-80 tons. At the altitude of 5-10 km the meteor broke into pieces. The largest fragment produced the main crater with a depth of 22 m. Eight smaller craters with diameters ranging from 12 to 40 m and depths varying from 1 to 4 m are all within 1 kilometer of the main crater.
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