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Date: 2011-03-14 04:17 am (UTC)I could have lived very happily without getting a breaking news update that read as follows: "Officials believe a hydrogen explosion occurred at Japanese plant."
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Date: 2011-03-14 09:36 am (UTC)(Yes, those three reactors are basically write-offs. No, the situation is nowhere near as bad as most of the news reports are saying. The worst possible case is on the same level as Three Mile Island; a Chernobyl-grade mess is physically impossible with this type of reactor: right now it's not even TMI level bad.)
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Date: 2011-03-14 02:52 pm (UTC)no subject
Date: 2011-03-14 06:22 pm (UTC)no subject
Date: 2011-03-14 06:27 pm (UTC)no subject
Date: 2011-03-14 06:31 pm (UTC)I don't know if there's a permalink to a particular frame in the slide-show. I suspect they add new images to the beginning, so what was slide N becomes slide N+1.
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Date: 2011-03-14 12:47 pm (UTC)All Japanese nuclear power plants have built-in shutoff systems in the event of earthquakes. They're designed to handle earthquakes.
And, if you think about it, this makes sense. Japan's on top of a farging major ocean trench fer crying out loud! Earthquakes are commonplace there. (I remember seeing a program about traditional Japanese architecture. Buildings older than a certain age all survive earthquakes. The very old ones, it turns out, use no rigid joints, but instead are interlocking. They're designed to shake.)
Just because the US eliminates safety-systems to cut the bottom line, then pretend that earthquakes will never hit that nuclear power plant … that doesn't mean everyone does. Japan's not stupid!
No, the problem here isn't the design of the Japanese nuclear plants. They were built to withstand and survive earthquakes … just not magnitude-9 quakes. Because no one can build anything guaranteed to survive a magnitude-9 earthquake.
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Date: 2011-03-14 01:04 pm (UTC)The magnitude scale used to measure earthquakes replaced the Richter scale several decades ago has the following logarithmic increase
1-point magnitude larger == 32 times more energetic
2-point magnitude larger == 1000 times more energetic
[source: wikipedia]
That means that the Sendai Earthquake was…
…1000 times more powerful than the Haiti Earthquake last year;
…almost 8000 times more powerful than the 1933 Long Beach earthquake (mag. 6.4);
…1000 times more powerful than the Loma-Prieta Earthquake in 1989;
…a bit over 1000 times more powerful than the 1993 earthquake that hit Kobe, Japan.
…about 11000 times more powerful than the Christchurch, NZ earthquake (mag. 6.3) this year…
There are aftershocks to this earthquake with magnitude 6-7. Several per day, in fact.
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Date: 2011-03-14 06:27 pm (UTC)no subject
Date: 2011-03-15 04:04 am (UTC)