oe “Date (GCT)
“Yield Range
Serpa
12/17/80
NTS
Shaft
Joint US-UK
20 to 150 kt
Seyval
11/12/82
NTS
Shaft
WeaponsRelated
Less than 20 kt
Shaper
03/23/70
NTS
Shaft
WeaponsRelated
20 to 200 kt
Shasta
08/18/57
NTS
Tower
WeaponsRelated
17 kt
Sheepshead
09/26/79
NTS
Shaft
WeaponsRelated
20 to 150 kt
Shoal
10/26/63
Falion
Shaft
Vela Uniform
12 kt
Shrew
Accidental release of radioactivity
detected onsite only
09/16/61
NTS
Shaft
WeaponsRelated
Low
Shuffle
04/18/68
NTS
Shaft
Weapons Related
20 to 200 kt
Simms
Excavation device development
11/05/66
NTS
Shaft
Plowshare
Less than 20 kt
Simon
04/25/53
NTS
Tower
WeaponsRelated
43 kt
Sled
08/29/68
NTS
Shaft
WeaponsRelated
20 to 200 kt
Smatt Boy
Slightly above ground
DoD Event--Operation Sunbeam
Release of radioactivity detected off site
07/14/62
NTS
Tower
WeaponsEffects
Low
Smoky
08/31/57
NTS
Tower
Weapons Related
44 kt
Snubber
Accidental release of radioactivity
detected off site
04/21/70
NTS
Shaft
WeaponsEffects
Less than 20 kt
Socorro
10/22/58
NTS
Balloon
WeaponsRelated
6 kt
Spider
08/14/69
NTS
Shaft
WeaponsRelated
Less than 20 kt
St. Lawrence
11/09/62
NTS
Shaft
WeaponsRelated
Low
Nuclear test detection-research
experiment near Fallon, Nevada
Accidental release of radioactivity
detected on site only
-96-