Why would the sky 'change colors' before or during an earthquake?
(also added a YouTube video of 'earthquake lights in China)
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M$6 Answers
~quote
"A satisfactory theory to explain EQL, however, has been elusive and is still not agreed upon"
~endquote
Several theories in addition to those listed below can be found at this source. (1) USGS)
They have been reported throughotu history but were not taken seriously until the 1960s when photographs were taken of the Matsushiro Earthquake by Yataka Yasiu between 1965 and 1967 (2)
Theories are there but not proven and have a wide range.
~ piezoelectrically created electronic fields created by moving quartz (3)
~ disruptions in the Earths ionosphere and/or magnetic field(4)
~ radon(5)
~ light emission caused by ionization or plasma-chemical reactions(6)
(1)http://earthquake.usgs.gov/learn/faq/?categoryID=8&faqID=103
(2)http://inamidst.com/lights/earthquake
(3)Takaki, Shunji and Ikeya, Motoji, A Dark Discharge Model of Earthquake Lightning, Japanese Journal of Applied Physics, Volume 37, Issue 9A, p. 5016 (1998).
(4)http://earthobservatory.nasa.gov/Newsroom/view.php?id=22089
(5)Richon P., Sabroux J.-C., Halbwachs M., Vandemeulebrouck J., Poussielgue N., Tabbagh J., Punongbayan R. (2003), Radon anomaly in the soil of Taal volcano, the Philippines: A likely precursor of the M 7.1 Mindoro earthquake (1994), Geophysical Research Letters, Volume 30, Issue 9, p. 34-1.
(6)Segovia, N; S.A. Pulinets, A. Leyv, M. Mena, M. Monnin, M.E. Camacho, M.G. Ponciano and V. Fernandez (2005-08-22).
(7)http://en.wikipedia.org/wiki/Earthquake_light
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M$
However, I did a bit more digging, and Wikipedia did actually have an article on "earthquake lights" and says the following:
--quote--
Earthquake lights are caused by an unknown mechanism. There are numerous theories as to how and why they occur. One explanation involves intense electric fields created piezoelectrically by tectonic movements of rocks containing quartz. Another possible explanation is local disruption of the Earth's magnetic field and/or ionosphere in the region of tectonic stress, resulting in the observed glow effects either from ionospheric radiative recombination at lower altitudes and greater atmospheric pressure or as aurora. However, the effect is clearly not pronounced or notably observed at all earthquake events and is yet to be directly experimentally verified. There is also debate in the scientific community regarding Radon as a possible precursor to some earthquakes, so another theory is that glowing clouds might be light emission produced by ionization or plasma-chemical reactions.
--/quote--
There's also a theory that they're all hallucinations:
http://geology.about.com/b/2008/02/29/earthquake-lights-watch-your-head.htm
However, there's been quite a bit of documentation of this event:
http://inamidst.com/lights/earthquake
Indeed, earthquake lights may explain a lot of UFO "sightings":
http://www.earthquakelights.net/
So I think, in the end, no one really knows what they are. I'm a big skeptic in general, and I'm ready to say they're hallucinations, or perhaps - at best - a disruption in the Earth's magnetic field. I'm not sure really what to make of it, it's interesting.
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M$
Alright, I know everyone's thinking this, but no one wants to sound like a whacko, so I'll post it.
Since no one can explain the earthquake lights, and there seems to be two types of earthquakes, one with lights and one without. Perhaps one's a natural earthquake, and the other is an artificial earthquake.
The HAARP, located in Alaska, is thought by many to be a tool to manipulate nature. It affects weather and the ionosphere by charging atmospheric particles. It does this through technology originally developed by Nikola Tesla.
Auroras are disturbances in the ionosphere that are normally caused by the sun. This HAARP technology creates a charge in the ionosphere that somehow causes an earthquake and creates an aurora.
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M$
Red, orange, yellow, green, blue, indigo, violet.
As to the piezoelectric effect it would be momentary not continuous
as currents are generated during the change in stress, and would likely
move transversely across the surface.(ie. the lights would move).
Energy levels high enough from a magnetic field disturbance would be
detected and radio interference would likely occur,which would also
have been detected. Micro waves on the other hand could be produced
that would cause a similiar effect,but if they are man made from space
as some might suggest or a result of the process of the quake itself.
Compression of some materials will yield micro waves as the material
fractures so in my opinion this would be most probably the cause.
my opinion
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M$
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M$
One explanation involves intense electric fields created piezoelectrically by tectonic movements of rocks containing quartz8.
Another possible explanation is local disruption of the Earth's magnetic field and/or ionosphere in the region of tectonic stress, resulting in the observed glow effects either from ionospheric radiative recombination at lower altitudes and greater atmospheric pressure or as aurora. However, the effect is clearly not pronounced or notably observed at all earthquake events and is yet to be directly experimentally verified.9
There is also debate in the scientific community regarding radon as a possible precursor to some earthquakes 10, so another theory is that glowing clouds might be light emission produced by ionization or plasma-chemical reactions11
edit
check out[http://www.nat-hazards-earth-syst-sci.net/10/967/2010/nhess-10-967-2010.html "The
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M$
I was going to say because the Island is about to travel back or forward in time, but this makes a lot more sense to me.
I say blame HAARP.
:p