The 2nd Soviet atomic bomb, RDS-2, was tested on September 24, 1951 at the Semipalatinsk test site and produced a 38.3 kiloton yield. It was detonated from the top of a tower 30 meters high.
Yield: 38.3 Kilotons Location: Semipalatinsk, Kazakhstan Date: September 24, 1951
