Download coordinates as: The Soviet Union's 1989 nuclear test series[1] was a group of 7 nuclear tests conducted in 1989.
These tests [note 1] followed the 1988 Soviet nuclear tests series and preceded the 1990 Soviet nuclear tests series.
Test 714 consisted of three devices with a combined yield of 85 kilotonnes of TNT (360 TJ).
This was the last nuclear test at Semipalatinsk.
[2]