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    Plate Tectonics of the North American West

    HigherLove
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    Post  HigherLove on Mon Mar 14, 2011 1:39 am

    Inspired by this quote:

    burgundia wrote:it is a bit off topic, but...how dumb must one be to have built nuclear power plants by the ocean in the country prone to earthquakes?

    From the thread: http://www.themistsofavalon.net/t2085-magnitude-91-near-the-east-coast-of-honshu-japan-march-11-2011
    HigherLove
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    Post  HigherLove on Mon Mar 14, 2011 1:41 am

    American Nuclear Society


    <a href="http://illiweb.com/fa/pbucket.gif" target="_blank"><img src="https://2img.net/h/i835.photobucket.com/albums/zz272/DSummerMan65/USpowerplants.jpg" border="0" alt="Photobucket"></a>





    http://www.energy.ca.gov/nuclear/california.html

    Nuclear Plants in California


    Operating nuclear power plants in California are Diablo Canyon, near San Luis Obispo, [pictured in a PG&E photo to the right] and San Onofre, about midway between Los Angeles and San Diego. Nuclear units at both plants use ocean water for cooling.

    <a href="http://illiweb.com/fa/pbucket.gif" target="_blank"><img src="https://2img.net/h/i835.photobucket.com/albums/zz272/DSummerMan65/reactor.jpg" border="0" width ="400">
    Diablo Canyon

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    San Onofre

    Pacific Gas and Electric Company (PG&E) owns the Diablo Canyon Nuclear Power Plant, which consists of two units. Unit 1 is a 1,073 megawatt (MW) PWR which began commercial operation in May 1985, while Unit 2 is a 1,087 MW PWR which began commercial operation in March 1986.

    Southern California Edison Co. and San Diego Gas & Electric own the two operating units at the San Onofre Nuclear Generating Station. Unit 2 is a 1,070 MW PWR that began commercial operation in August 1983, while Unit 3 is a 1,080 MW PWR that began commercial operation in April 1984.

    California also has four commercial nuclear power plants and an experimental plant that are no longer in operation. These include:

    The Santa Susana Sodium Reactor Experimental (SRE) was a small sodium-cooled experimental reactor built by Southern California Edison and Atomics International at the Santa Susana Field Laboratory, near Moorpark in Ventura County. It came on line in April 1957, began feeding electricity to the grid on July 12, 1957, and closed February 1964. This reactor used sodium rather than water as a coolant and produced a maximum of about 7.5 to 20 megawatts (electric). It was considered as the country's first civilian nuclear plant and the first "commmercial" nuclear power plant to provide electricity to the public by powering the near-by city of Moorpark in 1957. On July 26, 1959, the SRE suffered a partial core meltdown. Ten of 43 fuel assemblies were damaged due to lack of heat transfer and radioactive contamination was released. The plant has subsequently been dismantled. For more, please visit the U.S. Dept. of Energy's website at: www.etec.energy.gov/History/Major-Operations/SRE.html.

    The Vallecitos Nuclear Power Plant near Pleasanton, Calif., was jointly built by PG&E and General Electric Company and operated from 1957 to 1967. This was a small, 30 megawatt power plant. On October 19, 1957, Vallecitos connected to the electrical grid and became the first privately funded plant to supply power in megawatt amounts to the electric utility grid. The plant was shut down in December 1967. The plant is in SAFSTOR and there are no plans for any significant dismantlement in the foreseeable future. All nuclear fuel has been removed from the site.

    The 63 MW Boiling Water Reactor at the Humboldt Bay Nuclear Power Plant in Eureka was in operation by PG&E from August 1963 to July 1976. It was the seventh licensed nuclear plant in the United States. It was closed because the economics of a required seismic retrofit could not be justified following a moderate earthquake from a previously unknown fault just off the coast. It was permanently shut down July 2, 1976, and retired in 1985. The plant was then placed in SAFSTOR (with spent nuclear fuel rods stored in water pools on site) until anticipated full decommissioning in 2015. See more on SAFSTOR below.

    The 913 MW Pressurized Water Reactor at the Rancho Seco Nuclear Power Plant, located about 25 miles south of Sacramento, is owned by the Sacramento Municipal Utility District in and was operation from April 1975 to June 7, 1989. It was closed by public referendum.

    The 436 MW San Onofre Unit 1 Pressurized Water Reactor was in operation from January 1968 to November 30, 1992. It was closed by its owners rather than incur $125 million in required modifications.

    The Vallecitos, Santa Susana, and San Onofre Unit 1 have been decommissioned (which involves have a plan for dismantling the reactor and transporting all radioactive materials to a site for disposal.) The U.S. Nuclear Regulatory Commission (NRC) staff in 1996 approved the decommissioning plan for the Rancho Seco Nuclear Power Plant.

    The dismantling process will occur in stages, with "final teardown" scheduled to begin in 2008. The nuclear spent fuel produced during 14 years of operation at Rancho Seco was kept cool in a water pool on site and is now in protective dry storage.

    The Vallecitos facility, a General Electric nuclear plant, was the first reactor in the country to be decommissioned. The plant is in SAFSTOR and there are no plans for any significant dismantlement in the foreseeable future.

    Under SAFSTOR, often considered "delayed DECON," a nuclear facility is maintained and monitored in a condition that allows the radioactivity to decay; afterwards, it is dismantled. Under DECON (immediate dismantlement), soon after the nuclear facility closes, equipment, structures, and portions of the facility containing radioactive contaminants are removed or decontaminated to a level that permits release of the property and termination of the NRC license.

    Spent fuel can either be reprocessed to recover usable uranium and plutonium, or it can be managed as a waste for long-term ultimate disposal. Since fuel re-processing is not commercially available in the United States and has not been shown to be commercially viable n this country, spent fuel is typically being held in temporary storage at reactor sites until a permanent long-term waste disposal option becomes available.
    HigherLove
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    Post  HigherLove on Mon Mar 14, 2011 1:42 am

    I live near the San Andreas Fault ("Strike-Slip" = side to side action). It goes off land and into the ocean just off of Cape Mendocino, which also places me near the Gorda and Juan de Fuca plates, which form part of the Cascadia Subduction Zone.

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    There are many local faults that are quite dangerous, inluding the Roger's Creek Fault, which is just the northern extension of the Hayward Fault Zone that runs through the east Bay Area, and just to the south.

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    In addition to dealing with the San Andreas nightmare and other strike-slip faults, Southern California is riddled with "Blind Thrust" faults (up and down, as with the Northridge quake).

    http://en.wikipedia.org/wiki/Fault_(geology)


    PLATE TECTONICS LINK


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    Clear Lake Geology: Filed Trip Guide for Teachers

    http://lakeconews.com/content/view/15193/919/

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    I live in the red area at the base of the volcano (all orange stripes) near the "175" sign. :op


    Can you see me waving from the fields?

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    HigherLove
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    Post  HigherLove on Mon Mar 14, 2011 2:23 am

    Maybe even throwing in an interesting twist now and again...

    Mt. Shasta - Sacred Mountain Pt 2 - The search for extra-terrestrials at Hat Creek, California

    At the southern end of the Cascadia Subduction Zone are Mt.s Shasta and Lassen.

    Mt. Shasta has been considered a sacred spot for some time. It is active, along with Lassen.

    Both are fed material to melt into magma by the ocean crust of the Pacific Plate, as it slips under and lifts up the North American Plate.


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    MORE SHASTA IMAGES: http://www.images-photography-pictures.net/Mt_Shasta_California.htm


    Last edited by HigherLove on Mon Mar 14, 2011 10:26 pm; edited 2 times in total
    HigherLove
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    Post  HigherLove on Mon Mar 14, 2011 6:51 pm

    http://www.msnbc.msn.com/id/42072469/ns/technology_and_science-science/?GT1=43001

    1. Prince William Sound, Alaska 1964 03 28 03:36:14.0 UTC 9.2

    2. Cascadia subduction zone 1700 01 26 UTC ˜9

    3. Rat Islands, Alaska 1965 02 04 05:01 UTC 8.7

    4. Andreanof Islands, Alaska 1957 03 09 14:22:31.9 UTC 8.6

    5. East of Shumagin Islands, Alaska 1938 11 10 20:18:41.2 UTC 8.2

    6. Unimak Islands, Alaska 1946 04 01 12:28 UTC 8.1

    7. Yakutat Bay, Alaska 1899 09 10 21:41 UTC 8.0

    8. Denali Fault, Alaska 2002 11 03 22:12 UTC 7.9

    9. Gulf of Alaska, Alaska 1987 11 30 19:23 UTC 7.9

    10. Andreanof Islands, Alaska 1986 05 07 22:47 UTC 7.9

    11. Near Cape Yakataga, Alaska 1899 09 04 00:22 UTC 7.9

    12. Ka'u District, Island of Hawaii 1868 04 03 02:25 UTC 7.9

    13. Fort Tejon, California 1857 01 09 16:24 UTC 7.9

    14. Rat Islands, Alaska 2003 11 17 06:43 UTC 7.8

    15. Andreanof Islands, Alaska 1996 06 10 04:03 UTC 7.8

    16. San Francisco, California 1906 04 18 13:12 UTC 7.8

    17. Imperial Valley, California 1892 02 24 07:20 UTC 7.8

    18. New Madrid, Missouri 1811 12 16 08:15 UTC 7.7

    19. New Madrid, Missouri 1812 02 07 09:45 UTC 7.7

    20. New Madrid,Missouri 1812 01 23 15:00 UTC 7.5
    HigherLove
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    Post  HigherLove on Mon Mar 14, 2011 6:58 pm

    http://latimesblogs.latimes.com/lanow/2011/03/tsunami-video-time-lapse-images-show-california-coast-under-seige-from-current.html?lanow

    Tsunami video: Time-lapse images show California coast under siege [Video]
    Comments (9) (69)(49)March 13, 2011 | 10:47 am

    We were lucky in that it was low tide when it came in. And we are a long ways away...we can have the same thing here that they have in Japan...let's choose a better time line.
    FORT BRAGG

    <object width="560" height="349"><param name="movie" value="https://www.youtube.com/v/HpVS9IkqSHo?fs=1&hl=en_US"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="https://www.youtube.com/v/HpVS9IkqSHo?fs=1&hl=en_US" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="560" height="349"></embed></object>

    CRESCENT CITY (previously leveled by Tsunami after 1964 quake in Alaska):

    <object width="640" height="510"><param name="movie" value="https://www.youtube.com/v/pp_jp5QIWzw?fs=1&hl=en_US"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="https://www.youtube.com/v/pp_jp5QIWzw?fs=1&hl=en_US" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="640" height="510"></embed></object>

    More vids on above link

    HigherLove
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    Post  HigherLove on Mon Mar 14, 2011 9:54 pm

    From thousands of miles away...these guys must be crazy.

    Fort Bragg sits on a bluff, but they went down to one of the beaches.

    If a quake were to hit the San Andreas near here (or any number of faults), there would not be enough time.

    <object width="960" height="750"><param name="movie" value="https://www.youtube.com/v/AC8xecTjzvA?fs=1&hl=en_US&rel=0"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="https://www.youtube.com/v/AC8xecTjzvA?fs=1&hl=en_US&rel=0" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="960" height="750"></embed></object>
    HigherLove
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    Post  HigherLove on Mon Mar 14, 2011 10:25 pm

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    HigherLove
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    Post  HigherLove on Mon Mar 14, 2011 10:43 pm

    Cape Mendocino


    http://en.wikipedia.org/wiki/Cape_Mendocino


    Where the San Andreas Fault goes slightly out to sea -


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    King Range

    Cape Mendocino -

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    immortalisdolor
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    Post  immortalisdolor on Mon Mar 14, 2011 11:39 pm

    It is so beautiful there, despite the fault line catch to it. I have only been out that way once, and it was beautiful. I got to see the Joshua Tree National Monument, then went up the coastal highway to San Francisco, and then to a rainbow gathering in the Mendocino National Forest. Then saw Oregon, Mt. Saint Helens, and Mt. Rainer.

    What do you think, being on the San Andreas. Do you think the San Andreas as a shallow fault versus the New Madrid being a deep fault as a potential mega eruption? Or neither. I have never been in an earthquake, so I am only going off of data research, only been in a tornado in Texas.
    HigherLove
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    Post  HigherLove on Mon Mar 14, 2011 11:47 pm

    And with this I bid you goodnight.

    Point Arena

    http://en.wikipedia.org/wiki/Point_Arena,_California


    "The Point Arena area is also home to the Point Arena Cable Station, although the station is technically located in nearby Manchester. Built in 1956 by AT&T, the cable station serves as the eastern terminus of several undersea cables, including the JUSCN and connections to Hawaii and Canada."

    "This is the location of the Point Arena Lighthouse, at 115 feet (34.5m) the tallest lighthouse on the West coast of the United States. The lighthouse is also the closest location on the mainland (excluding Alaska) to Honolulu, Hawaii at a distance of 2,045 nautical miles (2,353 statute miles) or 3,787 kilometers."


    Point Arena Lighthouse:


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    HigherLove
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    Post  HigherLove on Mon Mar 14, 2011 11:51 pm

    immortalisdolor wrote:It is so beautiful there, despite the fault line catch to it. I have only been out that way once, and it was beautiful. I got to see the Joshua Tree National Monument, then went up the coastal highway to San Francisco, and then to a rainbow gathering in the Mendocino National Forest. Then saw Oregon, Mt. Saint Helens, and Mt. Rainer.

    What do you think, being on the San Andreas. Do you think the San Andreas as a shallow fault versus the New Madrid being a deep fault as a potential mega eruption? Or neither. I have never been in an earthquake, so I am only going off of data research, only been in a tornado in Texas.

    Ooops...I missed this.

    I am not very familiar with the New Madrid Fault.

    I will add some stuff on the 1989 Loma Prieta Qauke in San Francisco (Santa Cruz mountains). Of all times, I was near SFO.

    Gotta catch some Zzzs...

    Thanks for the interest.

    I have never been in a tornado. That seems really scary. :op

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