Louisa County, Virginia, near where I grew up and the family farm still operates, was the epicenter of a smaller 5.8 magnitude earthquake in August 2011. Near by are two nuclear reactors at Lake Anna. After the quake the plant's safety measures worked, and no radiation was emitted. But according to the Nuclear Regulatory Commission, the Anna reactors face an annual 1 in 22,727 chance of the core being damaged by an earthquake and exposing the public to radiation.
Dominion Power, the company that operates the plant, said that Lake Anna was built to withstand a 6.2 earthquake. The Richter scale is logarithmic, meaning that increases at the top of the scale are more dramatic than at the bottom. Even so, it would seem that the 2011 quake was cutting it close to Lake Anna's limits.
Two other nuclear plants in the area could also pose a risk in the event of a strong earthquake, Surry Nuclear Power Plant in the Tidewater region and Calvert Cliffs in Maryland, southeast of Washington D.C.
Drawing a 50 mile radius around each plant demonstrates the cultural, national security, and of course population assets that would be caught in the evacuation zones.
Below is a national look of all the nuclear reactors in the country, with a 50 mile buffer shaded around them.

Key Takeaways:
- Earthquakes pose a threat to our nuclear power plants, most of which were built when Jimmy Carter was president
- Many environmentalists say it will be impossible to cut emissions from fossil fuel sources to combat climate change without expanding our nuclear profile
- After Fukushima the body in charge of regulating domestic nuclear energy production re-evaluated their evacuation zones to fifty miles. Highly valuable national assets are within these fifty mile zones.
Fascinating information, Tom. This is my favorite post yet.
ReplyDeleteHey thanks! If there's anything you want to see, let me know. I'm working on a big Virginia Gubernatorial project right now.
ReplyDeleteThank you for sharing this knowledge. War sounds horrifying enough even without mentioning the presence of nuclear weapons we know exist. Many countries all around the world have declared the existence of such weapons and it is supposed that there are more countries that have nuclear bombs without announcing or admitting the fact. See more http://survival-mastery.com/skills/evacuation/nuclear-fallout-map.html
ReplyDeleteTom I just spent the last few hours researching effects of drinking well water within 50 miles of a power plant, because my husband and I want to move to Beaverdam, VA. However we find it strange that so many friends of ours who live there keep getting cancer. We have a hunch it's because of contaminated water from the Anna power plant you mentioned. Can you shed any light on this? Would you suggest not moving there?
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