Amchitka Island Nuclear Explosion Site Information
Location
Amchitka Island, Alaska

Amchitka Island was used as a test site for three underground nuclear detonations.
For the Long Shot detonation, drilling began in May 1964. The shot was fired on October 29, 1965, and the operation ended in November 1965.
For the Milrow detonation, drilling began March 9, 1967. The shot was fired on October 2, 1969. No drillback operations took place and the operation ended in November 1969.
For the Cannikin detonation, drilling began August 1967. The shot was fired on November 6, 1971. Drillback operations began November 1971 and were completed with the demobilization of drilling equipment on February 23, 1972.
The Atomic Energy Commission continued site demobilization in 1973, and the site was returned to the Department of the Interior in September 1973.
Location
Amchitka Island, Alaska
Alternative Names
- Amchitka Island Test Center
- Amchitka Island Test Site
Type of Facility
- Department of Energy
Covered by EEOICPA
- Part B and Part E
EEOICPA Covered Years
- 1965 – September 1973
- May 25, 2001 – October 13, 2001 (remediation)
NIOSH
- FAQs About Your Case
- Advisory Board on Radiation and Worker Health
- Part B, Part E, and Dose Reconstruction Statistics
- Special Exposure Cohort Status Table
- Employee Class: “Employees who were employed before January 1, 1974, on Amchitka Island, Alaska and were exposed to ionizing radiation in the performance of duty related to the Long Shot, Milrow, or Cannikin underground nuclear tests
Note: The SEC was established by the Act. Amchitka Island was one of the classes that Congress included when the Act was signed.”
- Employee Class: “Employees who were employed before January 1, 1974, on Amchitka Island, Alaska and were exposed to ionizing radiation in the performance of duty related to the Long Shot, Milrow, or Cannikin underground nuclear tests
- Work Site Information
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