WTF is going on here? There was the 5.5 in Palm Springs SAturday, a 7
something Tuesday and there was just another earthquake like 5 minutes
ago?
Do they always get that many Earthquakes and I was just oblivious to them?
Weather sure is screwy right now. 90 degree days in Wisconsin and 70 degree days in CA just doesn't seem right
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Must be a disturbance in the fault-line causing all of them. I'm no eathquake expert though!
Do they function like hurricanes, like around here there is "hurricane
season" where changes in weather or whatnot causes the hurricanes at
certain times of year. Is there an "earthquake season"?
That's kind of what I was wondering, we have like a "tornado" season
(right now ) but I wasn't sure how much that made sense wiht it
dealing with fault lines.
Will "little" earthquakes like this trigger bigger ones?
____________________ "Do not walk behind me, for I may not lead. Do not walk ahead of me, for I may not follow. Do not walk beside me either, just fuck off and leave me alone. "
Nope. there is no earthquake season, they can happen anytime since they are a function of the plates of the earth adjusting. As for why all of a sudden they are having a bunch of them. My guess is going to be because the kind of fault that runs up the coast there, in that case the 2 plates are sliding against eachother, the earthquake is whenever the 2 plates get stuck and finally become unstuck kinda thing. So, it could be that the 1st quake shook things up in other places therefore, the plates are getting kinked all up and down the fault line, resulting in a bunch of quakes, big and small.... or it could be something easy like aftershocks
Im no expert in them either.... just have a BA in Geography
Last edited on Fri Jun 17th, 2005 02:35 pm by Pokes
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Pokes wrote: have a BA in Geography No Kiddin'? I had a dual major in geography & geology. As a psych minor, I went on to get an MA in Special Ed. Couldn't get a job in earth science.
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Chelly03PZEV wrote: One mention so far as fault lines are concerned... Can they be effected by large amounts of rain?
I know they can be very deep or fairly close to the surface in a manner of speaking, but I know Cali had a bunch of rain this spring like we have had.
Just a thought never knew exactly what could cause an increase other than the earth shifting more.
Nah. Fault lines are weak spots, (cracks) in the bedrock that usually extend for miles below the surface. Think of the earth as a cracked, raw egg. If the egg was heated from the inside, currents in the liquids inside the egg would form. This would eventually cause the cracked parts of the shell to move around a bit. Where the cracks, (faults) contacted each other, some grinding would occur. Try to think of this on a global scale. The surface of the earth is like the shell of an egg, which is cracked in many places, typically along the edges of continents. As the semi-liquid & liquid parts, called the mantle, under the surface shift, it causes the earth's surface to shift as well. The continents are esentially floating on a layer of liquid rock that's hundreds of miles thick. As pressure builds up on the solid surface of the earth, the surface rocks, (again--miles deep), suddenly break. The movement & vibrations produced when this happens are what we know as earthquakes.
Another analogy might be bending a very thin piece of ow wood, like a toothpick. If you exert pressure on it, it will bend. The more pressure, the more it bends, until suddenly, it breaks. Geologists can measure the stresses on the rocks of the earth's crust. As they increase, so does the risk of earthquakes. The problem is, nobody knows how much force it will take, before an geological event will take place. This makes earthquakes essentially impossible to predict. We know they will definitely happen. We just don't know when, or precisely where along a known fault line they will occur.
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If my memory serves me right (questionable at times though, LOL!)
Back in the mid 1800's ((I think around 1860, I was pretty young then) they had a major earthquake in the area of Missouri. It was so severe it actually made the Mississippi River run backwards toward the north. It's supposed to still be an unstable region.
Hey did you feel that?
JT
Last edited on Sun Jun 19th, 2005 06:20 pm by JTex
JTex wrote: If my memory serves me right (questionable at times though, LOL!)
Back in the mid 1800's ((I think around 1860, I was pretty young then) they had a major earthquake in the area of Missouri. It was so severe it actually made the Mississippi River run backwards toward the north. It's supposed to still be an unstable region.
Hey did you feel that?
JT There is a major, relatively active fault line in that area, known as The New Madrid Fault. Earthquakes in that region are not as frequent as the San Andreas Fault on the west coast; but they are certainly not unheard of. The tectonic plate most of the U.S. is on is moving toward the west/north west. This is the force that formed the Rocky Mts., The Cascades, and the Costal range. As the plate moves toward the west, it acts like a bulldozer, piling up material in front of it.
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i hope noone gets hurt but i see the Island of California very soon....what would the new sea be called? California Sea? Sea of San Francisco? 49er Sea?
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