So An Earthquake Just To Keep Us On Our Toes?

Discussion in 'General Discussion' started by Gameface, Mar 18, 2020.

  1. Gameface

    Gameface I actually REALLY like Gobert! Contributor 2018 Award Winner

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    What's it called when an earthquake happens in a place that used to be an ancient lakebed? It happened to Mexico City. Well anyway, The Salt Lake Valley is an ancient lakebed. I think I felt a little bit of that effect after the main shaking was over, there was a bit of "my girlfriend is getting out of the waterbed" feeling where there were some waves that lasted for several seconds. In a major earthquake that reverberation can cause a lot of additional damage.
     
  2. Wes Mantooth

    Wes Mantooth Well-Known Member

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    o fml. I could've sworn there were 16mm in an inch...Aren't there 16 little marks on a ruler per inch?

    Thanks.
     
  3. bigb

    bigb Free at last!!! Contributor

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    Yes, there are. The standard ruler or tape measure breaks down the inch into sixteenths. 1/16” does not equal 1mm.


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  4. NAOS

    NAOS Well-Known Member

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    That effect is sometimes called liquifaction.

    But you don’t need to be on an ancient lake bed to have that kind of feeling. Different soil and sediment environments can result in magnifying the amplitude of a wave... sorta by allowing it to roll with a more steady rhythm.
     
    Last edited: Mar 18, 2020
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  5. Jingled

    Jingled Well-Known Member 2019 Award Winner

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    On the channel 2 news they said this rumor is circulating around and according to seismologists they've spoken to it's absolutely not true. They expect aftershocks to continue for the rest of the day and possibly even the next few days but nothing even as big as the original earthquake.
     
  6. Jingled

    Jingled Well-Known Member 2019 Award Winner

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  7. Scat

    Scat Well-Known Member

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    [​IMG]
     
  8. mellow

    mellow Well-Known Member

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    Damn Rudy.
     
  9. LogGrad98

    LogGrad98 Well-Known Member Contributor

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    Big earthquakes in lakebed, really anywhere built more or less on sand, can experience liquifaction, where the sand behaves like a liquid and everything sinks. It's the worst case scenario for the Wasatch front. Massive destruction in that case. Luckily it takes a very strong quake with specific wave types to generate that level of liquifaction. But if the main faults on the Wasatch front slipped it would be enough to do it. Even in a quake like today that's likely the effect you felt in a minor way.
     
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  10. LogGrad98

    LogGrad98 Well-Known Member Contributor

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    Best me to it, but I added my 2 cents as well.
     
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  11. JazzGal

    JazzGal Well-Known Member Contributor

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    My work told me not to come in today because of fears of a larger quake. Seemed dumb to me but I wasn't going to argue. They are advising people to shelter in place, though, just to keep the roads clear for emergency service providers.

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  12. BabyPeterzz

    BabyPeterzz Well-Known Member Contributor

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    Everyone stay home with your peeps and relax. Everyone is mobilizing to address issues.

    SLC, counties, and the State have immediate relief coming to businesses and employees.

    Wow, when it rains it pours. We’re on this. You’re lucky you’re in Utah, believe it or not.

    Stay tuned.


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  13. Darkwing Duck

    Darkwing Duck Well-Known Member

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    Damn it. Reading this thread and an aftershock happens.
     
  14. prodigy

    prodigy Well-Known Member

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    I was sleeping when that first one hit, what a weird feeling. I didnt know what was going on.
     
  15. fishonjazz

    fishonjazz Well-Known Member Contributor 2019 Award Winner 2018 Award Winner

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    That one was a 4.6

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  16. Catchall

    Catchall Well-Known Member 2019 Prediction Contest Winner

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    See if it shows up on eBay...

     
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  17. cooldude32

    cooldude32 Well-Known Member

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    I was talking with a co-worker about an earthquake yesterday too. Pretty crazy.

    I woke up feeling my apartment swaying back and forth. Power was out 3-4 hours. Felt the 4.6 after shock in my car.
     
  18. Douchebag K

    Douchebag K Well-Known Member

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    nah. The Yellowstone super volcano will blow
     
  19. fishonjazz

    fishonjazz Well-Known Member Contributor 2019 Award Winner 2018 Award Winner

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    That would be a good way to go at least
    It's so devastating that it isn't even scary to me.
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  20. LogGrad98

    LogGrad98 Well-Known Member Contributor

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    Yeah if that thing ever erupted for real North America would be gone basically. Boom.
     
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