2 meters is the warning height. The Japanese Tohoku quake only had 3m warnings and Soma was hit with 24ft walls of water about an hour after everybody else had their 6ft wave (6ft tall, a km deep).
80 posted on 04/01/2014 7:17:44 PM PDT by Cvengr
(Adversity in life and death is inevitable. Thru faith in Christ, stress is optional.)