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bastet44 | Earthquakes in the Midwest | ||
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I still think New Madrid is something to be concerned about, but here's some latest science.
--T ********************** Earthquake In Illinois Could Portend An Emerging Threat Apr 29, 2008 To the surprise of many, the earthquake on April 18, 2008, about 120 miles east of St. Louis, originated in the Wabash Valley Fault and not the better-known and more-dreaded New Madrid Fault in Missouri's bootheel. The concern of seismologists at Washington University in St. Louis, is that the New Madrid Fault may have seen its day and the Wabash Fault is the new kid on the block. "There hasn't been a magnitude 6 earthquake on the New Madrid zone in more than 100 years, yet in 20 years there have been three magnitude 5 or better earthquakes on the Wabash Valley Fault," said Wyssession, associate professor of earth and planetary sciences. "There is evidence that sometime in the past the Wabash Valley Fault has produced as strong as magnitude 7 earthquakes. On the other hand, the New Madrid Fault has been very quiet for a long time now. Clearly, the Wabash Valley Fault has gotten our deserved attention." Wysession said a recent re-analysis of data by USGS shows that the New Madrid fault risk is much less than was thought three decades ago. The three notable earthquakes that occurred at the end of 1811 and the beginning of 1812 were not magnitude 8s, rather magnitude 7s. A magnitude 8 is 30 times more energetic than a magnitude 7. ...more... |
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Posted on: 2008/4/30 15:09
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CSS996 | Re: Earthquakes in the Midwest | ||
Mega Guru
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I had a dream that I was in an earthquake last night. It was very realistic. But we don't get many of them in my part of the world.
There have been minor ones, but I've never felt anything. That's gotta be scary. |
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Posted on: 2008/4/30 15:59
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BillH | Re: Earthquakes in the Midwest | ||
The Stig Moderator
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Ha, In the last 2 weeks we've had 500 to 600 quakes in Reno. I only felt one at the house, 4.2.
A lot of people are worried. I'm worried that gas prices are gonna go up again. |
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Posted on: 2008/4/30 16:09
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Matatk | Re: Earthquakes in the Midwest | ||
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My wife felt the earthquake here in IL. I didn't. Funny thing is it woke her up from sleep but I was awake at work and didn't even notice it. Weird.
Matthew |
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Posted on: 2008/4/30 17:26
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bogus | Re: Earthquakes in the Midwest | ||
Grand Imperial Pooh-Bah
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New Madrid would be very bad.
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Posted on: 2008/4/30 17:47
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The single biggest problem with communication is the illusion that it has taken place. - George Bernard Shaw Education is the best tool to overcome irrational fear. - me |
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cuisinartvette | Re: Earthquakes in the Midwest | ||
Elite Guru
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I hate those dang things and dread the next big one.
Surprised to hear of all the ones in the Medwest, think Indy has had a few, too. |
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Posted on: 2008/5/1 2:49
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brut | Re: Earthquakes in the Midwest | ||
Guru Emeritus
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The one on the 18th....I was sleeping in the chair in my living room...it was around 5:45 EST. I awoke to what sounded/felt like a crash. The dogs(2 Great Danes with very loud barks) were up barking at the something out our window.
Now, I am half asleep and am clueless to my surroundings and what was actually going on. I seriously thought someone was outside or that a plane had crashed.....it was a very scary feeling. I will never forget it. |
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Posted on: 2008/5/1 3:13
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