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5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK

 
Anonymous Coward
User ID: 1107716
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08/24/2011 12:16 PM
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5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
Q = Since when is a 5.9 picked up on seismographs all over the country and even outside the country?
A = Never

Q = Since when is a 5.9 Felt in up to 20 states?
A = Never. Not even a 9.0 is felt in that many states.

Q = Since when does a 5.9 last 33 minutes long?
A = Never

This was not a 5.9 EQ in Virginia. It was picked up the strongest there so that is where the software placed it. It looks to me the entire East coast moved, and probably upward. From Canada to Georgia. This means that yes, the West coast will probably move downward.

Pay attention to this. If this is true there will be more misleading and more EQs. Switch your natural gas lines over from solid to flex like (PLEX lines). Secure your important items in your work shop, desk, and food storage shelves. Convert glass jars from glass to plastic, etc.

Below are links to one of Yellostone's 20 or so seismograph stations. Its shows it was INTENSE and lasted 33 min.

YELLOWSTONE
[link to quake.utah.edu]


Mt. Rainer - Thousands of miles away -
[link to www.pnsn.org]
Anonymous Coward
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08/24/2011 12:20 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
interesting. whatever the cause, it did not seem normal. and all this activity on latitude 37 seems weird.
gonna take your advice and batten down the hatches..like move the cast iron lamp that looms over my head on my bedstand.
?????
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08/24/2011 12:23 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
My question is how they figured out it was centered there and a 5.8 quake...Do they have sensors all over the USA or is this a guesstimate using other sensors...
Anonymous Coward
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08/24/2011 12:24 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
The Japanese said the same thing after the big quAKE. Our news never covered it. I agree with you the whole shelf moved or something.
Anonymous Coward
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08/24/2011 12:28 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
You got a good point there.
Anonymous Coward
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08/24/2011 12:30 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
felt far away because the east coast plate is one shelf and distributes the movement across the shelf. where as the western shelf is fragmented and EQ isnt felt far because shelf is fragmented and doesnt distribute the motion across very far
Anonymous Coward
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08/24/2011 12:30 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
Doesn't the east coast work differently than the west coast?

If a quake happens on the west coast it's only fault along that fault line but seeing as how there are none over here on the east if an earthquake happens everyone feels it.


Am I the only Virginia resident who remembers the earthquake 7 or 8 years ago????
Anonymous Coward
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08/24/2011 12:30 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
felt far away because the east coast plate is one shelf and distributes the movement across the shelf. where as the western shelf is fragmented and EQ isnt felt far because shelf is fragmented and doesnt distribute the motion across very far
 Quoting: Anonymous Coward 1512898


Thank you.
Anonymous Coward
User ID: 1352552
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08/24/2011 12:33 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
the eastern seaboard is all solid bedrock, for the most part. west coast has lots of sand and soft soils.

hit a slab of granite with a hammer and shock sensors on the other side, see what they register.

hit a pile of sand with a hammer and shock sensors on the other side, see what it registers.

end of story. your assumptions are correct, but you haven't considered all the variables.
Anonymous Coward (OP)
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08/24/2011 03:02 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
My question is how they figured out it was centered there and a 5.8 quake...Do they have sensors all over the USA or is this a guesstimate using other sensors...
 Quoting: ????? 536288


Every state that felt it picked it up as an EQ. Main registered it as a 5.2. PA a 5.3. I am in NY and it shook items off of shelves, and lasted around 30 - 50 seconds. VA picked it up the strongest so the software assumed the epicenter was there.

So, if every state picked at a 5.0+, it was the entire eastern seaboard. That explains why it was registered at Mt. Rainer (2800 miles away) which showed it lasting around 18min. Yellowstone (1600 miles away) showed it lasting 33min.

It had to be the entire east coast. No some little local 5.8 in VA.
Anonymous Coward (OP)
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08/24/2011 03:04 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
felt far away because the east coast plate is one shelf and distributes the movement across the shelf. where as the western shelf is fragmented and EQ isnt felt far because shelf is fragmented and doesnt distribute the motion across very far
 Quoting: Anonymous Coward 1512898


Wrong, if that was the case, the EQs in SC and AK over the last year would have been felt in multiple states too, and they were, because they were LOCALIZED.
Erra

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08/24/2011 03:09 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
This is the result of a gigantic plate moving a significant amount.

It did not have to be big, and if it had, it would have rung out like hell on earth.
tranny witch

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08/24/2011 03:10 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
My question is how they figured out it was centered there and a 5.8 quake...Do they have sensors all over the USA or is this a guesstimate using other sensors...
 Quoting: ????? 536288

It's not a guesstimate. It's triangualtion.
2011 may be your last chance for panic sex with a she-male
Anonymous Coward (OP)
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08/24/2011 03:12 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
the eastern seaboard is all solid bedrock, for the most part. west coast has lots of sand and soft soils.

hit a slab of granite with a hammer and shock sensors on the other side, see what they register.

hit a pile of sand with a hammer and shock sensors on the other side, see what it registers.

end of story. your assumptions are correct, but you haven't considered all the variables.
 Quoting: Anonymous Coward 1352552


Your science is off. If the granite runs from ME to VA, then there you go, the entire Eastern seaboard. That entire plate slide yesterday for a half hour. Look, 5.8 EQs happen every day, all over the world and they aren't registered as a 5.anything 1200 miles away I dont care what kind of soil, granite or plate they are on.
ravenoch

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08/24/2011 03:13 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
I'm in central Virginia, not an hour from the epicenter. Definitely felt like an earthquake. We had one here just like it 7 or 8 years ago but the media will try to scare you
06/06/2012
Zlyle14

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08/24/2011 03:14 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
When earthquakes hit areas like the east coast, they energy released travels a longer distance due to the plate structure. Areas that are closer to major fault lines will dissipate faster due to the faults. They are absorbed quickly, where as this one reverberated up the coast a very long distance due to the less fractured plate.

The question is, was it natural or man made?

eq

Last Edited by Zlyle14 on 08/24/2011 03:15 PM
Peace and Love \/m
Anonymous Coward
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08/24/2011 03:16 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
interesting. whatever the cause, it did not seem normal. and all this activity on latitude 37 seems weird.
gonna take your advice and batten down the hatches..like move the cast iron lamp that looms over my head on my bedstand.
 Quoting: Anonymous Coward 1501171

This is a great idea!
Zlyle14

User ID: 1479155
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08/24/2011 03:16 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
My question is how they figured out it was centered there and a 5.8 quake...Do they have sensors all over the USA or is this a guesstimate using other sensors...
 Quoting: ????? 536288


[link to www.geol.vt.edu]

As well as numerous different seismology stations along the entire east coast. They also put a bunch of sensors in NY about a year ago.
Peace and Love \/m
Anonymous Coward
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08/24/2011 03:18 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
bump
Anonymous Coward (OP)
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08/24/2011 03:27 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
When EQs strike, I watch them from a distance. You can learn much more about them. I have been doing it this way since over ten years.

Here are the links I use:



USGS GLOBAL
[link to earthquake.usgs.gov]

USGS GLOBAL II
[link to aslwww.cr.usgs.gov]

USA
[link to earthquake.usgs.gov]

YELLOWSTONE
[link to quake.utah.edu]

UTAH
[link to quake.utah.edu]

UUSS
[link to www.quake.utah.edu]

CA
[link to earthquake.usgs.gov]

RSOE
[link to hisz.rsoe.hu]

ESS
[link to www.ess.washington.edu]

IRIS
[link to www.iris.edu]

ANSS
[link to www.quake.utah.edu]

PNSN - PNW
[link to www.pnsn.org]

WEST VOLCANOES
[link to www.pnsn.org]

IMO ICELAND
[link to en.vedur.is]
sapphiressmile nli
User ID: 1516914
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08/24/2011 03:29 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
does the earth crack at every EQ and if so where are the pics of the damage ?

I felt it in Eastern KY
Anonymous Coward (OP)
User ID: 1107716
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08/24/2011 03:32 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
When earthquakes hit areas like the east coast, they energy released travels a longer distance due to the plate structure. Areas that are closer to major fault lines will dissipate faster due to the faults. They are absorbed quickly, where as this one reverberated up the coast a very long distance due to the less fractured plate.

The question is, was it natural or man made?

eq
 Quoting: Zlyle14


We have many quakes on the East coast, I don't feel any of them. We had three 3.0 last year 40 miles from me, I didn't feel anything. We had a 6.0 in Canada 170 miles from me last year, I felt nothing, now I am supposed to believe that a 5.8 in VA traveled 700 miles and gave me a 5.2? Aint happenin.

Also, lasting 33 min.??, that ain't your typical "5.8". In fact, a 33min. EQ should be a 20.0 or something. 5.8s only last up to one (1) minute max.
Anonymous Coward (OP)
User ID: 1107716
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08/24/2011 03:34 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
does the earth crack at every EQ and if so where are the pics of the damage ?

I felt it in Eastern KY
 Quoting: sapphiressmile nli 1516914


cracks = no
picks = well, I could go out to my work shop and show you some items knocked off my shelf. The Washington Monument is listing, and a bunch or buildings in DC are supposedly busted up.

In this case, damage doesn't matter. What is going on does.
Anonymous Coward
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08/24/2011 03:39 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
Q = Since when is a 5.9 picked up on seismographs all over the country and even outside the country?
A = Never

Q = Since when is a 5.9 Felt in up to 20 states?
A = Never. Not even a 9.0 is felt in that many states.

Q = Since when does a 5.9 last 33 minutes long?
A = Never

This was not a 5.9 EQ in Virginia. It was picked up the strongest there so that is where the software placed it. It looks to me the entire East coast moved, and probably upward. From Canada to Georgia. This means that yes, the West coast will probably move downward.

Pay attention to this. If this is true there will be more misleading and more EQs. Switch your natural gas lines over from solid to flex like (PLEX lines). Secure your important items in your work shop, desk, and food storage shelves. Convert glass jars from glass to plastic, etc.

Below are links to one of Yellostone's 20 or so seismograph stations. Its shows it was INTENSE and lasted 33 min.

YELLOWSTONE
[link to quake.utah.edu]


Mt. Rainer - Thousands of miles away -
[link to www.pnsn.org]
 Quoting: Anonymous Coward 1107716


The ground and rocks on the east coast is different from other places. Earthquakes travel farther.

Learn about attenuation.



Feb 21st 1774 - 4.5 EQ in Petersburg, VA, was felt in Winston-Salem, NC over 200 miles away.

Aug 27th 1833 - 4.5 EQ in Central, VA, was felt in the District of Columbia, Maryland, and North Carolina.

Apr 29th 1852 - 4.9 EQ in Wytheville, VA, was felt in the District of Columbia, Maryland, New York, Ohio, and Pennsylvania.

THIS IS THE BEST REFERENCE HERE
May 31st 1897 - 5.8 EQ in Giles, VA, was felt from Georgia to Pennsylvania and from the Atlantic Coast westward to Indiana and Kentucky.



K OP, what do you have to say now?
Zlyle14

User ID: 1479155
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08/24/2011 03:40 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
We have many quakes on the East coast, I don't feel any of them. We had three 3.0 last year 40 miles from me, I didn't feel anything. We had a 6.0 in Canada 170 miles from me last year, I felt nothing, now I am supposed to believe that a 5.8 in VA traveled 700 miles and gave me a 5.2? Aint happenin.

Also, lasting 33 min.??, that ain't your typical "5.8". In fact, a 33min. EQ should be a 20.0 or something. 5.8s only last up to one (1) minute max.
 Quoting: Anonymous Coward


No, we really don't have many quakes on the east coast, and you can look that up on just about any seismology website, including those stationed in Virginia. We are nowhere near a major active fault. New Madrid has only recently been making an appearance, and VA is still hundreds, if not thousands of miles from the fault. Minor faults run along the Appalachians but have been dormant, for the most part, for millions of years.

Just by saying there was a 6.0 in Canada, doesn't mean it was the same type of quake that happened in VA. It could have been a shorter quake but still high on magnitude where as the VA one was about 30seconds long here(about 30 miles north of the epicenter) and reverberated along the plate to the north. There were also multiple(3-4?+) aftershocks and probably tons of tiny ones that continued to rattle the area, which caused the entire plate to ring like a giant bell.

[link to en.wikipedia.org]
Peace and Love \/m
Anonymous Coward
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08/24/2011 03:40 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
I've never felt an earthquake before but for me and everyone I've talked to said they felt vertigo/dizzy when it happened. My mother said she has felt eq's before in Cali and she never felt the vertigo there. It's like everything moved/swayed 3 inches and then swayed back after the earth shook. Very strange indeed.
Anonymous Coward
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08/24/2011 03:43 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
When earthquakes hit areas like the east coast, they energy released travels a longer distance due to the plate structure. Areas that are closer to major fault lines will dissipate faster due to the faults. They are absorbed quickly, where as this one reverberated up the coast a very long distance due to the less fractured plate.

The question is, was it natural or man made?

eq
 Quoting: Zlyle14


We have many quakes on the East coast, I don't feel any of them. We had three 3.0 last year 40 miles from me, I didn't feel anything. We had a 6.0 in Canada 170 miles from me last year, I felt nothing, now I am supposed to believe that a 5.8 in VA traveled 700 miles and gave me a 5.2? Aint happenin.

Also, lasting 33 min.??, that ain't your typical "5.8". In fact, a 33min. EQ should be a 20.0 or something. 5.8s only last up to one (1) minute max.
 Quoting: Anonymous Coward 1107716


you had this same thread yesterday. the earthquake yesterday did not last 33 minutes, that is laughable. The degree to which someone feels an earthquake does not just depend on magnitude - but also depth. The other quakes you mentioned that you didn't feel might be if they were at a greater depth. A shallow quake will be felt over a much greater distance.
Anonymous Coward
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08/24/2011 03:47 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
When earthquakes hit areas like the east coast, they energy released travels a longer distance due to the plate structure. Areas that are closer to major fault lines will dissipate faster due to the faults. They are absorbed quickly, where as this one reverberated up the coast a very long distance due to the less fractured plate.

The question is, was it natural or man made?

eq
 Quoting: Zlyle14


We have many quakes on the East coast, I don't feel any of them. We had three 3.0 last year 40 miles from me, I didn't feel anything. We had a 6.0 in Canada 170 miles from me last year, I felt nothing, now I am supposed to believe that a 5.8 in VA traveled 700 miles and gave me a 5.2? Aint happenin.

Also, lasting 33 min.??, that ain't your typical "5.8". In fact, a 33min. EQ should be a 20.0 or something. 5.8s only last up to one (1) minute max.
 Quoting: Anonymous Coward 1107716


Felt like an underground explosin and blast wave to me.bump
John Everytard

User ID: 1484607
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08/24/2011 03:48 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
We have many quakes on the East coast, I don't feel any of them. We had three 3.0 last year 40 miles from me, I didn't feel anything. We had a 6.0 in Canada 170 miles from me last year, I felt nothing, now I am supposed to believe that a 5.8 in VA traveled 700 miles and gave me a 5.2? Aint happenin.

Also, lasting 33 min.??, that ain't your typical "5.8". In fact, a 33min. EQ should be a 20.0 or something. 5.8s only last up to one (1) minute max.
 Quoting: Anonymous Coward 1107716


wrong wrong wrong wrong wrong wrong... and wrong.

the length of the EQ doesn't directly correlate to the magnitude. the magnitude is a measurement of the amount of energy released by the EQ. Generally speaking, one would assume that a lengthier (time) EQ would equate to a larger magnitude, but that's not true.

Also, this didn't register as a 5.9 across the entirety of the east coast. In SC, we registered between a 2.5 and a 3.0 -- get some facts straight!
John Everytard

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08/24/2011 03:49 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
When earthquakes hit areas like the east coast, they energy released travels a longer distance due to the plate structure. Areas that are closer to major fault lines will dissipate faster due to the faults. They are absorbed quickly, where as this one reverberated up the coast a very long distance due to the less fractured plate.

The question is, was it natural or man made?

eq
 Quoting: Zlyle14


We have many quakes on the East coast, I don't feel any of them. We had three 3.0 last year 40 miles from me, I didn't feel anything. We had a 6.0 in Canada 170 miles from me last year, I felt nothing, now I am supposed to believe that a 5.8 in VA traveled 700 miles and gave me a 5.2? Aint happenin.

Also, lasting 33 min.??, that ain't your typical "5.8". In fact, a 33min. EQ should be a 20.0 or something. 5.8s only last up to one (1) minute max.
 Quoting: Anonymous Coward 1107716


you had this same thread yesterday. the earthquake yesterday did not last 33 minutes, that is laughable. The degree to which someone feels an earthquake does not just depend on magnitude - but also depth. The other quakes you mentioned that you didn't feel might be if they were at a greater depth. A shallow quake will be felt over a much greater distance.
 Quoting: Anonymous Coward 1518766


don't use logic and fact, it is futile
Lurking Spectator

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08/24/2011 03:50 PM
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Re: 5.9 EQ in Virginia WAS NOT a 5.9 EQ in Virginia - READ and THINK
Magnitude does not usually mean the amount of damage, how far it is felt, and how bad the shaking is. That all depends on what the ground under is made of.





GLP