In October 1973, a nuclear explosive with a yield of about 4 megatons was detonated underground at the Novaya Zemlya test site. The explosion was followed by a series of aftershocks, a phenomenon that had previously not been observed at Novaya Zemlya. Today, very few short period seismic recordings of these aftershocks exist. At the Swedish Defence Research Agency (FOI), printed short period...
Underground nuclear explosion may be follow of the noble gases release. 493 underground nuclear tests and explosions of different purposes and in the different rocks were conducted in the Soviet Union over period in 1961-1990. A total of 340 underground nuclear tests were conducted at the Semipalatinsk Test Site. 179 explosions (52.6%) among them were classified as these of complete...
