Jeptha Knob, Kentucky
Jeptha Knob is in Shelby county, about six miles southeast of Shelbyville. It is an astrobleme, the remnant of an ancient meteorite impact crater, now greatly eroded. It consists of a three-mile-wide group of hills that were created by the rebound of the earth's crust after the impact. It is estimated to be about 425 million years old. The highest point on Jeptha Knob, 1,188 feet, is the highest point in the county.
Other such structures in Kentucky include the Middlesboro basin and Big Sink outside of Versailles.
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© 2024 David C. Elbon