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RE: Did you feel the Earth move this morning??? - 4/18/2008 9:55:51 AM
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Miss Giggles
Posts: 3715
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No I was just waking up so I didn't feel it, some did here and some didn't (Michigan) but it might have been why my cat was acting weird.
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RE: Did you feel the Earth move this morning??? - 4/18/2008 10:28:38 AM
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rhondaj2900
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From: Indiana
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I felt it woke me and mom up. the cats were running around. Sounded like thunder or maby a truck hitting the house. I live in s.w. Indiana about 41 miles south east of the epicenter.
Rhonda
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RE: Did you feel the Earth move this morning??? - 4/18/2008 11:09:24 AM
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stamper_ben
Posts: 10790
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I'm glad y'all are talking about a real earthquake. Otherwise I'da had to report a violation of the TOS. 
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RE: Did you feel the Earth move this morning??? - 4/18/2008 11:53:25 AM
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garsyt
Posts: 2021
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Some felt it here in NE Indiana but I didn't. My dog started barking at around that time but I just rolled over and told her to shut up and went back to sleep. Didn't even KNOW until about 7 AM when I turned on the radio.
My in-laws live near Evansville - but they are up here this weekend. They are anxious to get back home so they'll likely leave tomorrow instead of Sunday to head back home.
Blessings,
Garsy
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RE: Did you feel the Earth move this morning??? - 4/18/2008 4:39:54 PM
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leah777
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Yes, I sure did feel it!! It had the whole house just shuddering! I was at my daughter's in St Peters, and cuz I wasn't sleeping well, was on the internet -- chatting with Maggie, in fact. It wasn't until 7:00, after I'd had another bit of sleep, that I checked the news and found out it was in fact an earthquake! Musta been a humdingr at the epicenter for us to feel it so strongly this far way -- about 150-200 miles, according to our calculations.
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Leah
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RE: Did you feel the Earth move this morning??? - 4/18/2008 8:03:44 PM
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leah777
Posts: 3251
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LOL! That WOULD be impressive! . .
 . . You make the EARTH MOVE under my feet
You make the world come a'tumblin' down . .
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Leah
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RE: Did you feel the Earth move this morning??? - 4/19/2008 5:48:52 PM
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legalnicki
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I didn't wake up for the 4:30 a.m. quake, but I did feel the aftershock at 10:14 a.m. that same morning! I was sitting on my bed and it started rumbling - my cat was under the bed and I thought it was him moving around b/c he's pretty fat! When I saw a hanger and some lamp crystals shaking, I realized it was an aftershock. Pretty cool! It was my first time feeling an earthquake!
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RE: Did you feel the Earth move this morning??? - 4/19/2008 11:09:36 PM
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humbleinspirit
Posts: 14087
Joined: 4/13/2005
From: Just Outside of Boston
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Somehow I do not think that feeling an Earthquake would be a pleasurable thing.
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RE: Did you feel the Earth move this morning??? - 4/20/2008 12:40:26 PM
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stampinlady
Posts: 1884
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From: Northern IL
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quote:
It was my first time feeling an earthquake!
Me too! : )
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Deb
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RE: Did you feel the Earth move this morning??? - 4/20/2008 12:45:15 PM
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benelchi
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quote:
ORIGINAL: humbleinspirit
Somehow I do not think that feeling an Earthquake would be a pleasurable thing.
Out here in California, a 5.2 quake is one where you just sit back and enjoy the ride; however when they begin to approach 7.0 then its a very different story!
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RE: Did you feel the Earth move this morning??? - 4/20/2008 6:08:39 PM
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humbleinspirit
Posts: 14087
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Reminds me of that scene in the movie L.A. Story where they are all sitting outside at a restaurant and an Earthquake happens. They are just casually sitting there while it is happening and one of the men asks the other, what do you rate this? And he casually says I'd say its about a 4.
Later that evening the newscaster reports one how they had a 3.9 Earthquake that day, pretty funny!
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RE: Did you feel the Earth move this morning??? - 4/20/2008 8:19:27 PM
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garsyt
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Hubby and I did notice an aftershock, but didn't realize at the time that it was one. We were sitting out in front of our garage on the driveway at about 11:30 AM when our hot water heater started shaking in a most unusual manner - we chalked it up to the wind. Only later did we think, man that was actually an aftershock!
Blessings,
Garsy
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My Blog: www.moredayslikethisplease.wordpress.com
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RE: Did you feel the Earth move this morning??? - 4/21/2008 10:50:54 AM
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joy2give2u
Posts: 4186
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quote:
Out here in California, a 5.2 quake is one where you just sit back and enjoy the ride; however when they begin to approach 7.0 then its a very different story! According to our resident geologist, who is originally from CA, an earthquake, even as low as 5.2 is much worse in the mid-west then in CA.
The reason is our bedrock..........CA sits on top of volcanic rock which is softer and smaller then ours.
We sit upon huge sheets of rock which were formed by the glaciers. Our bedrock is really hard, the sheets are much larger thus causing a much greater impact each time one hits another.
She shared more but basically the point, from a Cali girl, was earthquakes are to be much more feared in the mid-west then in CA.
It was interesting.
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RE: Did you feel the Earth move this morning??? - 4/21/2008 11:02:52 AM
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benelchi
Posts: 1794
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From: California
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quote:
ORIGINAL: joy2give2u
quote:
Out here in California, a 5.2 quake is one where you just sit back and enjoy the ride; however when they begin to approach 7.0 then its a very different story! According to our resident geologist, who is originally from CA, an earthquake, even as low as 5.2 is much worse in the mid-west then in CA.
The reason is our bedrock..........CA sits on top of volcanic rock which is softer and smaller then ours.
We sit upon huge sheets of rock which were formed by the glaciers. Our bedrock is really hard, the sheets are much larger thus causing a much greater impact each time one hits another.
She shared more but basically the point, from a Cali girl, was earthquakes are to be much more feared in the mid-west then in CA.
It was interesting.
Someone needs to send your resident geologist back to school. In California, we have Earthquake maps that predict where the greatest amount of damage will be in the event of an earthquake. My home is on bedrock and so I am in a very good area when an earthquake hits. The areas most prone to disaster are on the soft ground of the bay landfills which almost liquefy when an earthquake hits; this is called ""liquefaction." and was the primary cause of the big structural failures during the "Loma Prieta" quake in 1989.
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RE: Did you feel the Earth move this morning??? - 4/21/2008 11:30:20 AM
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joy2give2u
Posts: 4186
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From: Indiana
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quote:
"We don't have as many opportunities as in California," said Genda Chen, associate professor of engineering at the University of Missouri-Rolla, during an Associated Press interview
"We cannot even borrow on the knowledge they learn on the West Coast" she said, explaining that while quakes in California occur where tectonic plates beneath the Earth's surface collide, the Midwestern quakes happen far away from the edges of the nearest plates.
quote:
Seismologists say Midwest earthquakes commonly radiate out for hundreds of miles due to the bedrock under much of the eastern United States.
"Our bedrock here is old, really rigid and sends those waves a long way," Bob Bauer, a geologist with the Illinois State Geological Survey, told the AP. Bauer equated the Midwest bedrock, which lies from a few feet to a few thousand feet below the earth’s surface, to a smooth bell that very efficiently transmits seismic waves like sound.
"California is young bedrock," he explained, "It's broken up ... like a cracked bell. You ring that, the waves don't go as far."
In California, the energy is dissipated on all the faults and the earthquakes are more local events
quote:
Earthquakes in the central and eastern U.S., although less frequent than in the western U.S., are typically felt over a much broader region. East of the Rockies, an earthquake can be felt over an area as much as ten times larger than a similar magnitude earthquake on the west coast. A magnitude 4.0 eastern U.S. earthquake typically can be felt at many places as far as 100 km (60 mi) from where it occurred, and it infrequently causes damage near its source. A magnitude 5.5 eastern U.S. earthquake usually can be felt as far as 500 km (300 mi) from where it occurred, and sometimes causes damage as far away as 40 km (25 mi).
Who should go back to school ??????
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It is better to communicate the Spirit of what the Word says then the actual words read
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RE: Did you feel the Earth move this morning??? - 4/21/2008 12:05:34 PM
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benelchi
Posts: 1794
Joined: 9/14/2007
From: California
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quote:
ORIGINAL: joy2give2u
quote:
"We don't have as many opportunities as in California," said Genda Chen, associate professor of engineering at the University of Missouri-Rolla, during an Associated Press interview
"We cannot even borrow on the knowledge they learn on the West Coast" she said, explaining that while quakes in California occur where tectonic plates beneath the Earth's surface collide, the Midwestern quakes happen far away from the edges of the nearest plates.
quote:
Seismologists say Midwest earthquakes commonly radiate out for hundreds of miles due to the bedrock under much of the eastern United States.
"Our bedrock here is old, really rigid and sends those waves a long way," Bob Bauer, a geologist with the Illinois State Geological Survey, told the AP. Bauer equated the Midwest bedrock, which lies from a few feet to a few thousand feet below the earth’s surface, to a smooth bell that very efficiently transmits seismic waves like sound.
"California is young bedrock," he explained, "It's broken up ... like a cracked bell. You ring that, the waves don't go as far."
In California, the energy is dissipated on all the faults and the earthquakes are more local events
quote:
Earthquakes in the central and eastern U.S., although less frequent than in the western U.S., are typically felt over a much broader region. East of the Rockies, an earthquake can be felt over an area as much as ten times larger than a similar magnitude earthquake on the west coast. A magnitude 4.0 eastern U.S. earthquake typically can be felt at many places as far as 100 km (60 mi) from where it occurred, and it infrequently causes damage near its source. A magnitude 5.5 eastern U.S. earthquake usually can be felt as far as 500 km (300 mi) from where it occurred, and sometimes causes damage as far away as 40 km (25 mi).
Who should go back to school ??????
Those are actually apples and oranges.
The first is a question about how severe an earthquake is when different types of ground are compared; and USGS has done many studies about what types of soil result in the greatest amount of damage during an earthquake and which are the safest. They have earthquake maps that take the data from these studies and have acurately predicted the areas that would be most affected by an earthquake. Look at the maps and you will find that bedrock areas are always the safest areas.
The second question is about how far an earthquakes energy is dissipated from its epicenter, and although I might believe that an earthquake could be radiated over a larger area where the bedrock is one continuous piece; I don't buy the 10 times figure given in this article as the size and distances given for a midwest earthquakes are nearly identical to what is experienced out here on on the west coast; if there is any difference at all it is very minor. Even though this theory sounds a little more credible, I would have to see the data before I would accept it, and the examples given in this article actual go against the prediction he has made.
We actually have earthquakes here often enough that I have been on the phone with others when an earthquake has hit a number of times, so not only do I have a good idea about how far an earthquake is felt, but I also have a good idea about how fast they travel through the ground. When one person feels the earthquake, we will count the seconds until the other feels it as well, and then try and guess which direction it came from and where the epicenter is. I usually can guess the size of an earthquake within .5, and when I have been on the phone I have often been pretty close on the epicenter as well. It's one of those useless skills you learn when growing up in California. 
Edited to add: Did you know that the epicenter for the 89' quake was almost 200KM away from the freeway collapse it caused i.e. the one that was in the news all over the entire country?
< Message edited by benelchi -- 4/21/2008 12:30:27 PM >
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RE: Did you feel the Earth move this morning??? - 4/21/2008 1:22:59 PM
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joy2give2u
Posts: 4186
Joined: 9/19/2006
From: Indiana
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quote:
much worse in the mid-west then in CA. If you were to read what I said you would see the point was.....
quote:
She shared more but basically the point, from a Cali girl, was earthquakes are to be much more feared in the mid-west then in CA.
If the earth quakes in the mid west, do indeed reach much further, which I understand these experts to be saying........added to the fact our buildings, close or far, are not built to withstand an earthquake it is easy to deduce an earth quake here in the mid-west, even lower on the scale, would indeed be much worse would it not?
quote:
the freeway collapse it caused i.e. the one that was in the news all over the entire country? Are you talking about the bridge in the Oakland area? Interesting, or so I thought, our resident geologist said the upper deck of the bridge fell but the rest of the bridge stayed strong........due to the way bridges and such are built in CA to withstand the earth moving.
In the mid-west this is not true. The structural integrity of a bridge, tall building or over pass are not made to move with the earth.
Our pipelines, gas lines and such are all under ground and vulnerable to an earthquake.
Lets see.....
A greater distance effected in an area where structures are not built for earthquakes could, for some, equal a greater fear of the potential damage in the mid-west. Don't you think?
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It is better to communicate the Spirit of what the Word says then the actual words read
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RE: Did you feel the Earth move this morning??? - 4/23/2008 9:46:09 PM
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stampinlady
Posts: 1884
Joined: 4/12/2005
From: Northern IL
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I think I heard that there have been 22 after shocks. Hmmmmm .... .
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RE: Did you feel the Earth move this morning??? - 4/23/2008 9:51:02 PM
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denbert
Posts: 17181
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Well, thanks but no thanks.
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RE: Did you feel the Earth move this morning??? - 4/26/2008 1:44:51 PM
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humbleinspirit
Posts: 14087
Joined: 4/13/2005
From: Just Outside of Boston
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quote:
ORIGINAL: benelchi
quote:
ORIGINAL: joy2give2u
quote:
Out here in California, a 5.2 quake is one where you just sit back and enjoy the ride; however when they begin to approach 7.0 then its a very different story! According to our resident geologist, who is originally from CA, an earthquake, even as low as 5.2 is much worse in the mid-west then in CA.
The reason is our bedrock..........CA sits on top of volcanic rock which is softer and smaller then ours.
We sit upon huge sheets of rock which were formed by the glaciers. Our bedrock is really hard, the sheets are much larger thus causing a much greater impact each time one hits another.
She shared more but basically the point, from a Cali girl, was earthquakes are to be much more feared in the mid-west then in CA.
It was interesting.
Someone needs to send your resident geologist back to school. In California, we have Earthquake maps that predict where the greatest amount of damage will be in the event of an earthquake. My home is on bedrock and so I am in a very good area when an earthquake hits. The areas most prone to disaster are on the soft ground of the bay landfills which almost liquefy when an earthquake hits; this is called ""liquefaction." and was the primary cause of the big structural failures during the "Loma Prieta" quake in 1989.
Which is most likely to happen when Boston gets a "big" Earthquake as well.
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RE: Did you feel the Earth move this morning??? - 5/1/2008 2:00:47 AM
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_Cinderella_
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I did not feel the mid-west earthquakes, but we have been having a whole lot of earthquakes here in northwest Nevada.
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