List of nuclear weapons tests List of most powerful nuclear tests List of most powerful nuclear tests

| Date_GMT | Yield_megatons | Deployment | Country | Test_Site | Name_or_Number |
|---|---|---|---|---|---|
| March 26, 1954 | 11.0 | barge | USA | Bikini Atoll | Castle Romeo |
| October 31, 1952 | 10.4 | ground | USA | Eniwetok | Ivy Mike |
| August 25, 1962 | 10.0 | air drop | Soviet Union | Novaya Zemlya | Test #158 |