Announced United States Nuclear Tests -- By Event
Event Name...
Mars
Date (GCT)
=
_ Location -.
asta
ae
Type
'.!. Purpose eSeB
Yield Range
09/28/58
NTS
Tunnel
Safety Experiment
13 tons
Marsh
09/06/75
NTS
Shaft
Weapons Related
Less than 20 kt
Marshmallow
06/28/62
NTS
Tunnel
WeaponsEffects
Low
Marsilly
04/05/77
NTS
Shaft
Weapons Related
20 to 150 kt
Marvel
Emplacement technique experiment
09/21/67
NTS
Shaft
Piowshare
2.2 kt
Mast
06/19/75
NTS
Shaft
WeaponsRelated
200 to 1000 kt
Mataco
06/14/63
NTS
Shaft
WeaponsRelated
Low
Mauve
08/06/65
NTS
Shaft
Weapons Related
Less than 20 kt
Maxwell
01/13/66
NTS
Shaft
WeaponsRelated
Less than 20 kt
Mazama
No radioactive release detected
10/29/58
NTS
Tower
Weapons Related
Zero
Memory
03/14/79
NTS
Shaft
Weapons Related
Less than 20 kt
Mercury
09/23/58
NTS
Tunnel
Safety Experiment
Slight
Merlin
02/16/65
NTS
Shaft
Weapons Related
10.1 kt
Merrimac
Accidental release of radioactivity
07/13/62
NTS
Shaft
WeaponsRelated
Intermediate
Mesitta
Operation Dominic
05/09/62
Christmas Island
area
Airdrop
Weapons Related
intermediate
Slight venting, radioactivity not
detected off site
DoD Event
Accidental release of radioactivity
detected onsite only
Accidental! release of radioactivity
detected onsite only
No radioactive release detected
Accidenta! release of radioactivity
detected onsite only
detected on site only
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