Slideshow: Fukushima Radiological Monitoring and Consequences; Pages 4 & 5, International Atomic Energy Agency, April 12, 2011:
See the IAEA’s slideshow here.
Distance between Ibaraki and Fukushima Daiichi here.
TEPCO had claimed the the 100 SV/hr reading was caused by a gauge that was “most likely” broken.
Japan Orders Nuclear Plant Operators to Obtain More Emergency Generators, New York Times, April 9, 2011:
Radiation readings spiked sharply in one reactor at the stricken Fukushima Daiichi nuclear plant after a powerful aftershock late Thursday, according to data released by the government, a development that might indicate new damage to the already compromised reactor.
But the plant owner, the Tokyo Electric Power Company, said the gauge used to measure radiation was most likely broken. …
Read the report here.
Published: April 13th, 2011 at 11:02 am ET
- Clear spike in radiation measured across Japan on September 21 (CHARTS) September 27, 2011
- Large spike in Cesium-137 from Fukushima measured May 4 — Higher than levels seen on March 17-20 (CHART) May 7, 2011
- Radiation skyrockets to 100 Sv/hr at Fukushima reactor No. 1, along with sudden rise in temperature immediately after 7.4 quake April 9, 2011
- Off the Chart: 225 Sieverts per hour at Reactor No. 1 — Highest radiation dose yet measured May 30, 2011
- Engineers fear yesterday’s 5.9 quake may have caused fresh leaks at Fukushima — Radiation levels around plant soared April 17, 2011