The Small Siberian Lake That Some Italian Geologists Think Is the Tunguska Crater
Lake Cheko is a 500-metre-wide elliptical lake about 8 km northwest of the Tunguska blast epicentre. In 2007 an Italian research team proposed that the lake is the impact crater of a small unfragmented portion of the 1908 Tunguska body. The interpretation is substantially contested.
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