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On May 11 Niigata Prefecture’s technical committee on safety control of nuclear power plants endorsed the restart of the Kashiwazaki-Kariwa (KK) Unit 1 (BWR, 1100MW). KK-1 was shaken most (680 Gal*) and incurred the...
Chubu Electric Power Company’s Hamaoka Nuclear Power Station was struck by a magnitude 6.5 earthquake at 5:07am on August 11. The epicenter was 37 kilometers from the Hamaoka plant in Suruga Bay, in Shizuoka...
July 16 was the second anniversary of the Chuetsu-oki Earthquake. The seismic force that struck Tokyo Electric Power Company’s (TEPCO) Kashiwazaki-Kariwa Nuclear Power Station (KK) was unprecedented in the history of nuclear power. Start-up...
Why Kashiwazaki-Kariwa? Prior to establishment of the Kashiwazaki-Kariwa Nuclear Power Plant there were oil fields in the region. Studies related to these oil fields showed that the ground was unstable, so informed locals knew...
July 16 was the first anniversary of the Chuetsu-Oki Earthquake. What caused the earthquake? What damage was done to the Kashiwazaki-Kariwa Nuclear Power Plant (KK)? Discussion of these questions is continuing within the central...
Possible increase of spent fuel to be reprocessed during active tests Step 3 of the active tests currently being carried out at the Rokkasho reprocessing plant were completed in April (see NIT 118). On...
Step 3 of “active tests” at the Rokkasho reprocessing plant were completed on April 26th. Although numerous problems have arisen, Japan Nuclear Fuel Ltd (JNFL) has not officially changed the November 2007 scheduled date...
On August 16th all three reactors tripped automatically at Tohoku Electric Power Company’s Onagawa Nuclear Power Plant in response to a magnitude 7.2 earthquake off the coast of Miyagi Prefecture. The direct reason...
Tombstones toppled by the earthquake. Tombstones have long been used as an idicator of the strength of earthquakes. They are still used to gauge the strength of earthquakes that occurred before seismic...
