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Originally posted by Gorman91
reply to post by coolottie
That's called migration. Take note it's winter.
The lights up north from the Aroara is shocking. The sun had a major flare that was suppose to hit the earth on 2 or 3 of Feb, but started last night. This has cause major quakes the last few months.
Originally posted by coolottie
These quotes are from a Geologist that is concerned about the Gulf Basin fault causing a New Madrid Quake as a result of BP's disaster.
Reed, over the years, has gathered evidence that supports plate motion in the Gulf basin. Thick salt and sedimentary sequences in the basin mask this tectonic motion, but there is enough basin and peripheral evidence to show plate readjustment is occurring -- evidence, he says, in the form of volcanics, earthquakes and rift zones that are accompanied by magnetic, refraction, seismic and gravity data.
So Reed conducted a study using data from the U.S. Geological Survey's National Earthquake Information Center and the USGS map "Earthquakes in the Conterminous United States." He only studied earthquakes measuring at least magnitude 5, and found that while most of the earthquake centers are random with no alignment, there is a well-defined earthquake trend extending northeastward from the New Madrid seismic zone across the United States to Canada, where it joins with the St. Lawrence River seismic zone.
Link to the Articile:
www.aapg.org...
reply to post by Chadwickus
The Connection Between Solar Activity, Volcanic Eruptions and Earthquakes, Weather and Cycles on Earth
Research, Research, that is how you learn.
Recent scientific research confirms a connection between high energy charged particles in the ionosphere and earthquakes. A study conducted in 2008 by Jann-Yeng Liu, from the Center for Space and Remote Sensing Research in Chung-Li, Taiwan, examined more than 100 earthquakes with magnitudes of 5.0 or larger in Taiwan over several decades. The results indicate that almost all of the quakes down to a 35 km depth were preceded by distinct electrical disturbances in the ionosphere.
Originally posted by Gorman91
reply to post by KaiserSoze
They migrate wherever they feel like. Some migrate west or east, such as near the north pole. With human disturbance to the ecology, a damaged EM field due to the sun, and several other problems, it could just be they're confused.
Originally posted by Phage
I've decided to look for evidence of such a relationship in historical data. For earthquake data I will use the USGS database located here: earthquake.usgs.gov... For solar and geomagnetic data I will use data which is available here: spidr.ngdc.noaa.gov... . It should be noted that none of the charts I will be using are scaled but it is the shape of the curve rather than the absolute amplitude which is important.
The first thing I will examine is the frequency of earthquakes as compared to the level of solar activity. I will base solar activity on the annual sunspot number and I will compare it to the annual number of earthquakes of magnitude 6.5 and greater. Here is a chart representing these two datasets covering the past three solar cycles.
[atsimg]http://files.abovetopsecret.com/images/member/1d47293fcfd0.gif[/atsimg]
It can be seen that there is no apparent connection between the 11 year solar cycle and the frequency of earthquakes. But what about the magnitude of those earthquakes? Here I have plotted the total annual energy (magnitude) of the earthquakes.
[atsimg]http://files.abovetopsecret.com/images/member/961c8e115235.gif[/atsimg]
It can be seen that the shape of the energy curve is very similar to that of the frequency curve. This indicates that there is a fairly constant ratio between the number of stronger earthquakes to those of less magnitude. Again we see that there is no apparent connection between the amount of energy released by earthquakes and the solar cycle.
While sunspot numbers are a good indication of solar activity it may be better to look at something which we know is directly affected by that activity and which in turn may influence earthquakes, an intermediary so to speak. We know that solar activity can heavily influence the Earth's magnetosphere, creating fluctuations which we know as geomagnetic storms. Can we find a relationship between these storms and earthquake activity?
The primary method of measuring geomagnetic activity is though the Kp index, a measure of the amount of fluctuation in the Earth's magnetic field. For this part of the study I will be using a daily Kp index. Since this amounts to a very large amount of data I will limit the study first to an annual look and then at a smaller scale view. Here I have plotted the daily Kp index and the daily total earthquake energy. For this finer scale data I have included earthquakes of 4.0 and greater. Here are the plots for 1998 (the beginning of the last solar cycle) and 2001 (the peak).
[atsimg]http://files.abovetopsecret.com/images/member/2a939260b219.gif[/atsimg]
[atsimg]http://files.abovetopsecret.com/images/member/a5fbb7541c02.gif[/atsimg]
The first thing we notice is that the data is very noisy. This is something that does make finding correlations difficult. I'm not a statistician and I don't know how to do Fourier analysis (which might be helpful) but there is no apparent connection between a high Kp index and earthquake activity. We see several large peaks in Kp index with no unusual earthquake activity at the time or at any particular interval afterward. We see peaks of earthquake activity with no particular increase in geomagnetic activity.
Now lets try to look closer. I've selected a subset of the data in which there was a fairly high amount of geomagnetic activity over a three month period.
[atsimg]http://files.abovetopsecret.com/images/member/4d76930c9324.gif[/atsimg]
Again, we see the same thing; peaks of geomagnetic activity with no corresponding change in earthquake activity, peaks of earthquake activity with no geomagnetic activity to go along with it. We do see some occurrences which seem to have a relationship but there are many more which do not. We see no relationship between the intensity of geomagnetic activity and earthquake energy. Because of this it cannot be said that there is a relationship between solar or geomagnetic activity and earthquake frequency and magnitude.