PredictionBook transitioning to read-only mode at the end of 2023 ( read more ).
35 miles around the coast of Peterhead in Scotland, the sea bed will collapse causing a massive tidal wave which will kill millions of people. It will affect the United Kingdom hugely as well as other countries. The waters will travel down as far as Nor ( 100% confidence )
Created by magic on 2010-02-14; known on 2010-01-01; judged wrong by gwern on 2010-07-29.