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Thread: Earthquakes.....

  1. #1 Earthquakes..... 
    Forum Freshman ThaCrow187's Avatar
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    Hello i watch Earthquakes on a daily basis. And after a yr or two, I think im starting to pick up on something, but i'm not sure, For the past week the Solomon Islands have been plagued with 6+'s and i had a hunch that all these quakes were settling down that side of the Pacific Plate and that directly opposite that would experience a quake or two very soon. Today i woke up to discover Nevada, Directly across from solomon islands had a quake today. I'm starting to think that when one edge of "a" plate shakes, it's more then likely the opposite side of that plate will have a settling effect resulting in quakes not quite the same size but will have them to equal out the pressure again. i actually wish the site showed more of the worlds quakes on all plates, as well as the Volcano site related to this one. Ive been struck with a stomach virus that has had me home sitting for past few yrs and this has gotten to be a be interest ive discovered in the earths mechanics.

    Ty for your time. plz be gentle if you plan on telling me how stuff really works and why im wrong, i dont like people that get off on trying to make you feel dumb for posting stuff that they may not know as much about but may have a strong a fascination in the field.


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    Brassica oleracea Strange's Avatar
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    My understanding is that this is an unsettled question at the moment. There are certainly physical reasons why it might happen but I don't think it is known to what extent this is the cause of earthquakes. I think separating out this as a cause is statistically difficult. I thought there was something on the USGS site about this but I could be wrong.

    There is an article about it here: Earthquakes Can Trigger More Earthquakes, Experts Say


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    Ascended Member Ascended's Avatar
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    Hey don't worry about people making you feel dumb sounds like you know more than most on the subject, very interesting post and I just want to ask a few questions about the correlations you are noticing. Like for example can you plot the time intervals between events? Have you, or are making more predictions about future events and if so how are you tracking them?

    P.S. Didn't know Strange had already replied at the time of writing, need to type faster
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    Brassica oleracea Strange's Avatar
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    That is a good point. It is always a good idea to collect some data (in a spreadsheet maybe) that will allow you to analyse patterns you see. It is very easy to think there is a pattern but when you actually analyse it, it turns out to be an illusion. On the other hand, it is easy to miss a pattern in all the "noise" that would show up with the right sort of analysis. (If you don't know anything about that sort of thing, I'm sure there are people here who do...)

    i actually wish the site showed more of the worlds quakes on all plates
    Isn't that what the map on the site does? I thought you could specify the area, strength, timescale, and all sorts of other things (but I haven't looked at it for a while).
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    Forum Freshman ThaCrow187's Avatar
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    Ty for your replies. Yes i have been watching time lines and lengths of time between minor and major quakes, But with only a few site to track off and places like N.K. that do not give out any info, (on stuff like 5.1 tremors) that its hard to track a World Heartbeat.

    Yea Strange the site shows the whole world but there isnt any data shown from any area other then Ring of Fire.

    Ty again for the replies. I'll look into more resources to add to my data collecting.
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  7. #6  
    Brassica oleracea Strange's Avatar
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    Quote Originally Posted by ThaCrow187 View Post
    Yea Strange the site shows the whole world but there isnt any data shown from any area other then Ring of Fire.
    I guess that's where all the big earthquakes are!
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    Forum Bachelors Degree Kerling's Avatar
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    On the one hand you have a good point. On the other you don't. If you were to asser the entire plate moves, then the earthquakes must occur more or less simultaneasly everywhere alongside the fault lines. This is of course not the case.
    Hence if there are related, the plate must be seen as a medium, of some sort. That would cause sort of transversal seismic waves that would cause said effect. But they'd propagate everywhere accros the plate. Not really accumilationg anywhere. Not to mention the dissipation it could cover. Instead a decrease or increase of liquid rock pressure would be far more likely to cause local shifts of plates. But this doesn't explain why the connection would be there. What you can do, is simply write a program to all the date there is about earthquakes. And look how they related in temporal and areal locality. Is there a causality between them, can be answerd with such a program. Give it a shot, and how knows, you might have something here. But, I wouldn't get your hopes up too much. It would be interesting to figure out though, unless someone tried it before (so check that first)
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  9. #8  
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    Studying earthquakes is a very cool field too look in. Earthquakes are the outcome of volcanism which is the basis of plate tectonics and how our earth has been shaped over the 4.4 billions years of its existance.
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    Universal Mind John Galt's Avatar
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    Quote Originally Posted by sciencematters28 View Post
    Studying earthquakes is a very cool field too look in. Earthquakes are the outcome of volcanism which is the basis of plate tectonics and how our earth has been shaped over the 4.4 billions years of its existance.
    You have this rather backwards. Earthquakes and volcanism are both the 'outcome' of plate tectonics. Volcanism can generate small tremors as magma moves upwards, but the majority of earthquakes are associated with plate boundaries.
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    Forum Radioactive Isotope cosmictraveler's Avatar
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    By studying where the plates are moving and how they are becoming squeezed so that they will one day "snap" apart would be a very important way to prevent an major earthquake from happpening. Since seisometers could be placed on the sea floor they could monitor the effects happening where the plates are meeting then when we see where a "squeeze" is beginning to build up we could detonate a small explosive device to trigger a smaller earthquake so that a major one won't happen. by trigering smaller ones this would prevent the buildup of the pressure that makes the squeeze happen so that we can help eliminate large scale disasters from happening. Well that's my opinion about this matter.
    Last edited by cosmictraveler; March 6th, 2013 at 07:57 AM.
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  12. #11  
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    Small? That's a lot of energy to release... I'm fairly sure it is not that simple but hey, I'm no geologist...
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  13. #12  
    Universal Mind John Galt's Avatar
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    Quote Originally Posted by cosmictraveler View Post
    By studying where the plates are moving and how they are becoming squeezed so that they will one day "snap" apart would be a very important way to prevent an major earthquake from happpening. Since seisometers could be placed on the sea floor they could monitor the effects happening where the plates are meeting then when we see where a "squeeze" is beginning to build up we could detonate a small explosive device to trigger a smaller earthquake so that a major one won't happen. by trigering smaller ones this would prevent the buildup of the pressure that makes the squeeze happen so that we can help eliminate large cscale disasters from happening. Well that's my opinion about this matter.
    You underestimate the complexity of plate contact zones.
    You underestimate the size of plate contact zones.
    You underestimate the uncertainties in trigger events.
    You ignore the range of fault movements that are possible.
    You disregard the rate of fault movements that are possible.
    you misunderstand what could trigger an earthquake.
    You grossly underestimate the energy required to initiate one.

    Apart from that your proposal seems sound.
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  14. #13  
    Forum Radioactive Isotope cosmictraveler's Avatar
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    Quote Originally Posted by John Galt View Post
    Quote Originally Posted by cosmictraveler View Post
    By studying where the plates are moving and how they are becoming squeezed so that they will one day "snap" apart would be a very important way to prevent an major earthquake from happpening. Since seisometers could be placed on the sea floor they could monitor the effects happening where the plates are meeting then when we see where a "squeeze" is beginning to build up we could detonate a small explosive device to trigger a smaller earthquake so that a major one won't happen. by trigering smaller ones this would prevent the buildup of the pressure that makes the squeeze happen so that we can help eliminate large cscale disasters from happening. Well that's my opinion about this matter.
    You underestimate the complexity of plate contact zones.
    You underestimate the size of plate contact zones.
    You underestimate the uncertainties in trigger events.
    You ignore the range of fault movements that are possible.
    You disregard the rate of fault movements that are possible.
    you misunderstand what could trigger an earthquake.
    You grossly underestimate the energy required to initiate one.

    Apart from that your proposal seems sound.
    Gee , for a moment there I thought I was onto something, but now....I recieve the cone of shame! LOL! Like I said just my opinion.
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