Nuclear explosion Umbrella data

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Country
USA
Operation
Hardtack I
Date
1958-06-08
Yield
8.00 kT

USA - Hardtack I - Umbrella

Device Type: Device: Mk-7 Shallow depth underwater shot (on lagoon bottom at 150 ft). Crater 915x6 m.


Base info

Pokon (Irvin) - 8.00 kT out of 17 kT

47%

Underwater - 8.00 kT out of 103 kT

7.8%

Enewetak Pokon (Irvin) Map