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JenPre
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| Posted: Aug 23 2011 at 1:25pm | IP Logged
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I just read about the earthquake that happened in Virginia. Is everyone in that area ok? We felt it all the way up here in Rhode Island as well!
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Jen
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guitarnan
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We are fine in Maryland. Lots and lots of shaking, a few items falling down, but no real damage. Just scared people!
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Nancy in MD. Mom of ds (24) & dd (18); 31-year Navy wife, move coordinator and keeper of home fires. Writer and dance mom.
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mom2mpr
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Hmmmmm...checked my yahoo group for VA and no info there, or here. Many prayers for safety for those in the epicenter--my old stomping grounds. 
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aussieannie
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Just woke to this news, this morning. Praying for everyone's safety and no major aftershocks.
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MarilynW
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We are ok. It was absolutely terrifying - there were 2 major shocks so it felt like it lasted forever. We were under a table praying.
Thanks for the prayers.
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JennGM
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I was driving and felt nothing! I went into a bookstore afterwards and thought it was strange seeing all the books on the floor. At first I thought they were joking about an earthquake. Frustrating effects, because the Fed. Govt. closed early, trains stopped and then slow service, phone networks busy so I couldn't reach anyone for an hour or so.
But except for a few crooked pictures, nothing else to report. I expected to find piles of books on the floor, at least.
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JennGM
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| Posted: Aug 23 2011 at 7:05pm | IP Logged
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And the funny thing is, I woke up this morning hearing about Colorado's earthquake, which was close to the same size. I was going to ask about our Colorado folks.
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MaryM
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| Posted: Aug 23 2011 at 7:07pm | IP Logged
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JennGM wrote:
| And the funny thing is, I woke up this morning hearing about Colorado's earthquake, which was close to the same size. I was going to ask about our Colorado folks. |
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Which I didn't even know we had until about an hour ago when my husband came home and mentioned it. Apparently it wasn't felt this far north.
Glad everyone is fine in VA though it sounds like it was a pretty exciting day.
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kristinannie
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We felt it in WV. It shook our entire house. I actually thought that my husband had hit our house with his car. My husband was outside and didn't feel it! He was so mad that he missed it! 
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Angie Mc
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Glad you all are well. I lived through some CA quakes...very unnerving.
Love,
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Grace&Chaos
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Angie Mc wrote:
Glad you all are well. I lived through some CA quakes...very unnerving.
Love, |
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Same here!! Sending my best and prayers to all of you 
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guitarnan
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It didn't feel like a California 5.8. More like a 6.5. Lots of swaying, noise, etc. Apparently there was damage to the Washington Monument, and the Washington National Cathedral was one of the worst-hit buildings in DC. Out here in capital-city-built-on-swamp-and-fill land, we don't build for quakes.
Happily, there was little panic and people stayed calm, followed instructions and headed home (in huge traffic) without protest.
I think the silver lining to this quake-cloud is that we now know that moderately severe quakes can and will happen here...and we need to educate everyone on earthquake safety. It is nice to find this out via a moderate quake, instead of through experiencing a devastating EQ.
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JodieLyn
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So much about how an earthquake feels will depend greatly on the type of earth it's going through.. and that you're sitting on when you feel it and the type of motion waves.
Just like sound waves don't move through water very well.. some types of rock/soil won't transmit near as much motion from a quake as other types will.
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guitarnan
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Exactly.
And there are two types of waves (P and S) that are generated by every earthquake, so they travel differently through the local bedrock and arrive at different times. One wave is a push-push-push type, while the other is more like a sine curve, and they do different types of damage, depending on soil types, bedrock, etc.
(Yes, I took the Earthquakes class at UCLA! And boy, was it interesting...especially the term paper part, because one student tried to find out if the dorms were EQ safe and the university would not talk with him AT ALL about that topic. Very, very scary!)
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JodieLyn
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My earthquakes class was at Humboldt State University in Northern California.
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Donna Marie
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We live in NW NJ and it was felt here. Not that I felt it. I was on the phone at the time and the kids were doing jumping jacks...6 kids were jumping and so was the house. We didn't notice a thing!
others were telling me they did but it wasn't much so it was easy to miss. I couldn't help but worry about my dear homeschool friends that lived closer to the real action. I am glad you are ok!
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leanne maree
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I am so pleased everyone is OK. I heard through an email this morning.
I too was thinking of you all in that area.
God Bless
Leanne 
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Angel
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Glad to hear everyone is ok!
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Angela
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JennGM
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guitarnan wrote:
Out here in capital-city-built-on-swamp-and-fill land, we don't build for quakes.
....I think the silver lining to this quake-cloud is that we now know that moderately severe quakes can and will happen here...and we need to educate everyone on earthquake safety. It is nice to find this out via a moderate quake, instead of through experiencing a devastating EQ. |
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We have no building code for quakes here, as my BIL informed me. So anything stronger would have had much more destruction.
So this kind of quake, because it's more shallow, does it do more destruction? What kind of quake was Japan's?
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Jennifer G. Miller
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guitarnan
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The issue with eastern U.S. quakes is the type of bedrock we have - the P and S waves can travel for hundreds of miles without running into any type of geological obstacle, which is why the quake was felt so far away.
The destruction depends mainly on 1) how buildings are constructed, 2) what type of soil they are built on (bedrock: good; fill or alluvial fan: bad), and 3) how strong the quake is.
Brick and unreinforced masonry are not good building materials for Earthquake Country. This is why you will see very few brick buildings in SoCal - after the Long Beach earthquake, the state's building codes were tightened up, quite drastically, and since that time most of the older brick and adobe buildings have fallen down in later quakes. This is also why some newer Italian buildings have fallen down (as in the Isernia quake a few years back, where the new part of a school collapsed but the older part survived) - corrupt contractors leave out some of the rebar specified in the building plans, pocket the money they'd have spent on it, and build a poorly-reinforced masonry structure which can't survive a strong quake.
The Japan quake was magnitude 9.0, with the epicenter 20 miles underground and offshore a little over 40 miles. The magnitude measurement of 9.0 means that this earthquake was thousands upon thousands of times stronger than ours yesterday. (2 full magnitude points' difference=1,000 times stronger, but the scale is logarithmic, so the third full point's difference means that the 9.0 earthquake is abut 31,000 times stronger than the 6.0 quake.)
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4Real Forums : Tea and Conversation
Topic: Virginia Earthquake...everyone ok?
