Kärdla crater
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Template:Short description Template:Infobox terrestrial impact site
Kärdla (also Kärdla astrobleme) is a meteorite crater near the town of Kärdla in Estonia.
It is Template:Convert in diameter and its age is estimated to be about 455 million years (Late Ordovician). The crater is not exposed at the surface.<ref>Template:Cite Earth Impact DB</ref>
Its formation has been associated with the breakdown of 100km asteroid, that might have also resulted in the Tvären and Lockne craters in Sweden among others.<ref>A rain of L-Chondrites in the Thorsberg quarry at Kinnekulle, southern Sweden-Thomas Müller TU Bergakademie Freiberg, Germany.</ref>