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Old December 21st 04, 12:55 PM posted to uk.sci.weather
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Default (O/T) Earthquake ?

Reports of a tremor in Wales. I'm sure I felt something here in Exeter
about 90mins ago.

Jon.


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Old December 21st 04, 01:26 PM posted to uk.sci.weather
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Default (O/T) Earthquake ?

Jon O Rourke wrote:

Reports of a tremor in Wales. I'm sure I felt something here in Exeter
about 90mins ago.


There's nothing showing on
http://earthquake.usgs.gov/recenteqs...on/Europe.html at the
moment (1325z).

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Canterbury Weather: http://www.jstott.me.uk/weather/
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Old December 21st 04, 01:32 PM posted to uk.sci.weather
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Default (O/T) Earthquake ?

"Jonathan Stott" wrote in message


Jon O Rourke wrote:

Reports of a tremor in Wales. I'm sure I felt something here in Exeter
about 90mins ago.


There's nothing showing on
http://earthquake.usgs.gov/recenteqs...on/Europe.html at the
moment (1325z).


Try this in a bit. http://www.quakes.bgs.ac.uk/recbrit.html The last
posting was an half hour prior to Jon's.

I doubt the NEIC site will post anything below 2.5 M.


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Old December 21st 04, 01:34 PM posted to uk.sci.weather
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Default (O/T) Earthquake ?


"Jonathan Stott" wrote in message
...
Jon O Rourke wrote:

Reports of a tremor in Wales. I'm sure I felt something here in Exeter
about 90mins ago.


There's nothing showing on
http://earthquake.usgs.gov/recenteqs...on/Europe.html at the
moment (1325z).

http://www.earthquakes.bgs.ac.uk/latest_info.htm


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Old December 21st 04, 01:53 PM posted to uk.sci.weather
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Default (O/T) Earthquake ?

Steve wrote:
"Jonathan Stott" wrote in message
...
Jon O Rourke wrote:

Reports of a tremor in Wales. I'm sure I felt something here in
Exeter about 90mins ago.


There's nothing showing on
http://earthquake.usgs.gov/recenteqs...on/Europe.html at the
moment (1325z).

http://www.earthquakes.bgs.ac.uk/latest_info.htm


Tyhoon in the Irish Sea.... that wasn't on any charts




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Old December 21st 04, 03:17 PM posted to uk.sci.weather
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Default (O/T) Earthquake ?


" cupra" wrote in message
...
Steve wrote:
"Jonathan Stott" wrote in message
...
Jon O Rourke wrote:

Reports of a tremor in Wales. I'm sure I felt something here in
Exeter about 90mins ago.

There's nothing showing on
http://earthquake.usgs.gov/recenteqs...on/Europe.html at the
moment (1325z).

http://www.earthquakes.bgs.ac.uk/latest_info.htm


Tyhoon in the Irish Sea.... that wasn't on any charts


Was it a sonic boom?
see:

http://news.bbc.co.uk/1/hi/wales/4115043.stm

Pete


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Old December 21st 04, 05:23 PM posted to uk.sci.weather
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Default (O/T) Earthquake ?


"Peter Ashby" wrote in message
...

" cupra" wrote in message
...
Steve wrote:
"Jonathan Stott" wrote in message
...
Jon O Rourke wrote:

Reports of a tremor in Wales. I'm sure I felt something here in
Exeter about 90mins ago.

There's nothing showing on
http://earthquake.usgs.gov/recenteqs...on/Europe.html at the
moment (1325z).

http://www.earthquakes.bgs.ac.uk/latest_info.htm


Tyhoon in the Irish Sea.... that wasn't on any charts


Was it a sonic boom?
see:

http://news.bbc.co.uk/1/hi/wales/4115043.stm

Pete


During the days when Concord flew, it would often go supersonic closer to
Cornwall than it was strictly allowed to do. Sonic booms were a common
occurence. On a few occasions they were very loud, and the whole house would
shake, which did lead to some false earthquake reports.

Graham


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Old December 21st 04, 06:15 PM posted to uk.sci.weather
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Default (O/T) Earthquake ?

"Graham Easterling" wrote in
message news:cq9m95

During the days when Concord flew, it would often go supersonic closer to
Cornwall than it was strictly allowed to do. Sonic booms were a common
occurence. On a few occasions they were very loud, and the whole house

would
shake, which did lead to some false earthquake reports.

Graham


I experienced similar on the south coast near Christchurch. Once the effect
was so pronounced I thought someone was trying to get in the front door.

Jon.


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Old December 21st 04, 07:03 PM posted to uk.sci.weather
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Default (O/T) Earthquake ?

Just curious, and again O/T (sorry). From the link you gave:
http://www.quakes.bgs.ac.uk/recbrit.html

How do you get a negative magnitude earth tremor/quake?

"Steve" wrote in message
...

"Jonathan Stott" wrote in message
...
Jon O Rourke wrote:

Reports of a tremor in Wales. I'm sure I felt something here in Exeter
about 90mins ago.


There's nothing showing on
http://earthquake.usgs.gov/recenteqs...on/Europe.html at the
moment (1325z).

http://www.earthquakes.bgs.ac.uk/latest_info.htm




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Old December 21st 04, 07:11 PM posted to uk.sci.weather
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Default (O/T) Earthquake ?

In article ,
Michael Gibson writes:
Just curious, and again O/T (sorry). From the link you gave:
http://www.quakes.bgs.ac.uk/recbrit.html

How do you get a negative magnitude earth tremor/quake?


The scale is logarithmic, isn't it? So each subtraction of 1 from the
magnitude will indicate a reduction in the intensity by a factor of 10.
--
John Hall

You can divide people into two categories:
those who divide people into two categories and those who don't


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