4.7 quake rocks Kent, England

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sully_county
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4.7 quake rocks Kent, England

#1 Postby sully_county » Sat Apr 28, 2007 10:02 am

Here is what I know without reading this article:
A cliff has a huge 1,000 foot crack and is threatning a landslide into a vacation area, evacuations ordered.
Where this quake occured, two 1 mile wide UFOs were spotted a few days ago
The article says 4.3, but other sources say 4.7 to 5.0
In 1931 a 6.1 struck the same general area

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Earthquake shakes parts of Kent
An earthquake has shaken parts of Kent, damaging buildings and disrupting electricity supplies.

Homes in five streets in Folkestone had to be evacuated because of structural damage including cracked walls and fallen chimneys.

The tremor measuring 4.3 on the Richter scale struck at 0819 BST and experts said its epicentre was a few miles off the coast in the English Channel.

One woman was taken to hospital suffering from a minor head injury.

Chief Superintendent Ally Hope said: "Given the time this happened and the number of people that were about we should be genuinely thankful that so few people were hurt."

"All our street shook...the seagulls went crazy"
Karol Steele

The injured woman, who is in her 30s, was taken to William Harvey Hospital in Ashford.

Kent Fire and Rescue Service took more than 200 emergency calls, from people concerned about a variety of issues ranging from structural damage to gas smells.

EDF Energy said it had managed to restore electricity to most of the several thousand homes left without power in the Folkestone and Dover area.

Ch Supt Hope said that the major transport infrastructure in the area also appeared to have escaped damage.

"The information I have is that the ferry ports are running normally, and that the Channel Tunnel is running normally," he said.

The Kent incident is the largest recorded in Britain since an earthquake in Dudley in 2002.

British Geological Survey seismologist Roger Musson said the tremor was around 4.3 on the Richter scale, with an epicentre 7.5 miles off the Dover coast.

"This is by no means a complete surprise," he said. "There have been earthquakes in this location before.

"Two of them have been some of the biggest earthquakes ever to affect Britain.

"The first was in 1382 and in 1580 a quake with a magnitude of about six killed two people in London.

There were also smaller tremors in 1776 and 1950 in the area, which were in the "low fours" and on a similar scale to the one today.

"It was a matter of time before we had another earthquake here," he said.

Residents in Folkestone gathered outside their homes to survey the damage.

The Salvation Army also comforted those affected by the tremor with shelter and refreshments. Up to 100 people, including families and the elderly, arrived at a church in Canterbury Road, Folkestone.

Paul Hatton, 38, of Folkestone, said he and his brother Neil initially thought the tremor was caused by an explosion.

He said: "I was upstairs and my brother was downstairs and I heard a bang and thought that a lorry had crashed into something or that there had been a gas explosion.

"I went outside and could smell a bit of gas and there were lots of people outside."

Sam Millen, of Folkestone, was also at home when the earthquake struck.

She said: "The whole place was shaking just after 8am, the TV was rocking backwards and forwards, alarms going off, lamps smashed onto the floor, and now the small cracks in the house have got a lot bigger."

Paul Smye-Rumsby, who lives in Dover, said: "It was about 08.15 when suddenly the bed shook violently.

"I thought my wife had got cramp or something but then I saw the curtains were moving and the whole house was shaking."

Police want owners of local businesses which are empty because of the weekend to check their premises for signs of damage.

http://news.bbc.co.uk/2/hi/uk_news/england/6602677.stm
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#2 Postby JonathanBelles » Sat Apr 28, 2007 10:37 am

UFO's??? lol
I hope everyone is ok.
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#3 Postby Nimbus » Sat Apr 28, 2007 11:14 am

Only a small quake with little damage.

http://pasadena.wr.usgs.gov/shake/ous/S ... splay.html

What about the UFO is that what caused it?
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#4 Postby flightwxman » Sat Apr 28, 2007 11:30 am

Watsup with the guy who just heard a bang and nothing else??
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#5 Postby Nimbus » Sat Apr 28, 2007 11:38 am

I'm trying to visualize this there are several media sources.


I thought my wife had got cramp or something but then I saw the curtains were moving and the house was shaking. It lasted about 1.5 seconds.


"I was upstairs and my brother was downstairs and I heard a bang and thought that a lorry had crashed into something or that there had been a gas explosion. I went outside and could smell a bit of gas and there were lots of people outside."
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#6 Postby P.K. » Sat Apr 28, 2007 4:55 pm

4.3 on the Richter Scale is pretty strong for the area and the BGS have said this level of intensity occurs about every 5 years in the UK. http://www.earthquakes.bgs.ac.uk/recent_events/recent_events.html Sounds like it has done a fair bit of damage along the coast from reports I've read from people living in the area, good thing the epicentre was in the centre of the English Channel.
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#7 Postby Aslkahuna » Sat Apr 28, 2007 4:59 pm

Damage from an overall standpoint seems minor-however, I was amazed at what damage there was (toppled chimneys and cracked walls) as usually a well built home won't experience that kind of damage in a 4.3-usually takes a 5 or higher.

Steve
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#8 Postby Cryomaniac » Sat Apr 28, 2007 5:43 pm

There have been at least three 4+ quakes in the UK so far this century, which is a little odd really =/.
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#9 Postby TexasStooge » Sat Apr 28, 2007 9:34 pm

Oh, my! That IS a bit odd for England!! Hope everyone there is OK.
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#10 Postby Stephanie » Sun Apr 29, 2007 10:54 am

Aslkahuna wrote:Damage from an overall standpoint seems minor-however, I was amazed at what damage there was (toppled chimneys and cracked walls) as usually a well built home won't experience that kind of damage in a 4.3-usually takes a 5 or higher.

Steve


If you consider how old some of those buildings are, I guess it isn't that unusual. PK can correct me, but I doubt that the building codes include earthquake precautions.
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#11 Postby P.K. » Sun Apr 29, 2007 1:33 pm

No idea, of all the building regulations I'm familiar with houses are not one of them. I don't remember as much damage reported from the Dudley earthquake in 2002 which was a 4.7 and I felt some 160km from the epicentre. http://www.earthquakes.bgs.ac.uk/macroseismics/dudley_macro.htm However the intensity the other day was a 6 EMS rather than a 5 EMS as was the case with the previous one. http://www.earthquakes.bgs.ac.uk/macroseismics/ems_synopsis.htm

The record for the UK is 6.1 in the North Sea just off Great Yarmouth in 1931 and with earthquakes of the size of the other days one every 5 years or so you'd hope it was considered in the regulations.
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#12 Postby Stephanie » Sun Apr 29, 2007 7:09 pm

Perhaps the intensity did the trick then. Thanks PK.
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