The Tokyo Electric Power Company says radiation levels were up to 70 times, or 7,000 percent, higher than normal, prompting an immediate shutdown of the drainage instrument. The first readings came around 10 a.m. local time on February 22, setting off alarms not once but twice as radiation levels spiked to extremely high levels.

via Fukushima radiation spikes 7,000% as contaminated water pours into the ocean | RiseEarth.