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(Formerly called WPPSS Nuclear Plant #2)

Experts concerned about earthquake potential at WA's only nuclear plant Geologists have discovered that the area around Hanford is riddled with faults and that one of the state's most dangerous and volatile faults cuts right through the region. By Chris Hansen, iFiberOne, July 25, 2019

Are We Safer Now? The Future of Nuclear Power in the Northwest 3.5 Years After Fukushima. Presentation by Dr. Edwin Lyman, Senior Scientist, Union of Concerned Scientists, October 2014 (Power Point slide show)
Audio presentation to accompany the slide show (starts at about 2:20)

Nukequake: The Columbia Generating Station is a Seismic Timebomb
By Gar Smith, Earth Island Journal, June 18, 2014 (PDF)

Earthquake Risks Have Been Underestimated at Columbia Generating Station (formerly known as WPPSS Nuclear Plant #2) A local geologist examining existing knowledge of the seismic activity on the Hanford Nuclear Reservation and the Mid-Columbia basin has concluded that the earthquake standards set for the Northwest’s only commercial nuclear power plant are significantly lower than should be required. Physicians for Social Responsibility, November 2, 2013

Report 1 and Report 2 on Hanford Earthquake Risks By Terry Tolan, consulting geologist, October 31, 2013

Attachments to Report #2: Figure 1, Figure 3, Figure 4

Hanford nuke plant's earthquake risk underestimated, group says A new report says earthquake risks were seriously underestimated when the state’s only commercial nuclear-power plant was built almost 30 years ago on the Hanford nuclear reservation. By Sandi Doughton, Seattle Times, November 1, 2013

Seismic Map for Mid-Columbia Basin Seattle Times, November 1, 2013   Enlarged version here

Here are three links to the earthquake swarm on the Wooded Island in 2009.  This is east of the Columbia Generating Station (WPPSS 2) and helped establish the USGS determination that the fault underneath the CGS extends all the way to the river and within two miles of the plant:

Nuclear Regulatory Commission report on lessons from Fukushima July 12, 2011

Digging into Washington nuclear plant seismic risks By Bill Lascher, KING TV, April 29, 2011


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