Discussion in 'Environment' started by Jon, Mar 12, 2011.
Japan earthquake science: Japan earthquake shifted Earth on its axis - latimes.com
This is amazing.
Geez what a mess.
This makes me feel great about living in the Northwest.
Most of those being found are dead...
Hard-hit town recalls tsunami: 'I couldn't watch anymore'
March 13, 2011 -- As people in Japan's capital tried to return to normalcy on Sunday, their neighbors to the north were aghast at the damage caused by a massive earthquake and subsequent tsunami, with many of them anxious to learn the fate of still-missing loved ones.
Japan: Partial meltdown likely at 2nd reactor
13 Mar.`11 — A partial meltdown was likely underway at a second nuclear reactor, a top Japanese official said Sunday, as authorities frantically tried to prevent a similar threat from nearby unit following a catastrophic earthquake and tsunami.
Check out these photos:
ABC News - Japan Earthquake: before and after
It may seem farfetched, but I wonder if the "Three Gorges Dam" in China had anything to do with the earthquake in Japan.
The total surface area of the reservoir is 1045 square kilometers, and it will will flood a total area of 632 square kilometers, of land. The reservoir will contain about 39.3 cu km (9.43 cubic miles) of water. That water will weigh more than 39 trillion kilograms (42 billion tons).
Think about it. 42 billion tons on the edge of the plate above sea level. A plate that crosses Japan.
Earthquakes and landslides
Earthquake-induced peak ground acceleration coupled with the immense weight of the reservoir water might be able breach the upstream face of the dam. Erosion in the reservoir, induced by rising water, causes frequent major landslides that have led to noticeable disturbance in the reservoir surface, including two incidents in May 2009 when 50,000 and 20,000 cubic metres (65,000 and 26,000 cu yd) of material plunged into the flooded Wuxia Gorge of the Wu River. Also, in the first four months of 2010, there were 97 significant landslides.
Three Gorges Dam - Wikipedia, the free encyclopedia
You are stretching. First off the Three Gorges dam is well over 1000 miles away. Second the energy release from the quake is far too large to be caused by the dam:
The energy released by the quake was enough to move the island of Honshu Japan (the big island) 8 feet east and 2 feet south. It is roughly the equivalent of 80 years of man's total energy consumption at the 2008 rate, It is the equivalent of 200,000 Hiroshima size bombs, it was sufficient to alter the entire Earth's axis by 25 centimeters, it is nearly 20% of all moment magnitude energy released by all quakes in the last century combined, and it was sufficient to send far more water than exists in 3 gorges dam rippling across the breadth of the Pacific ocean at nearly the speed of sound.
You are over estimating the impact of the dam and underestimating the intensity of the quake by several magnitudes. Like maybe 5 or 7.
I took that into account when I changed my clocks last night.
But look at the size of the plate. Adding 42 billion tons? And the plate floats on a sea of magma. Earthquakes happen due to pressure built up between two plates and then a sudden release. Could that 42 billion tons be the "straw"?
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