Ishikawa Prefecture, Japan – Control rod malfunction

June 1999 - Operators attempting to insert one control rod during an inspection neglected procedure and instead withdrew three causing a 15 minute uncontrolled sustained reaction at the number 1 reactor of Shika Nuclear Power Plant. The Hokuriku Electric Power Company who owned the reactor did not report this incident and falsified records, covering it up until March, 2007.

Written by Nik Frost

Discuss this with the author and others

No comments yet. Be the first to start the conversation.