PSN-L Email List Message

Subject: Re: Svalbard earthquake
From: "tchannel" tchannel@............
Date: Fri, 6 Mar 2009 09:20:03 -0700


Hi Folks, This morning's monitor indicated a large signature.  At first 
glance it looked like one event followed by two more.

I saw a report of the 4.2M Western Montana, but when I processed it, the 
time indicated matched only the last part of the trace.  See image one 
showing all three sensors.
It's very clear on the bottom trace, a Slinky II machine CH3,  which is a 
vertical spring sensor.

The P and S show the MONTANA earthquake.  For more details, see 
09306.105022.tcidch3.gif.

Later I found the other parts of the trace were from a 6.4M NORTH OF 
SVALBARD near Greenland.  (See 090306.105022.tcidch1.gif).

Makes me wonder if the Svalbard earthquake , encouraged the Montana 
earthquake as it shook things up, as it passed through?

Ted




----- Original Message ----- 
From: "Steinar Midtskogen" 
To: 
Sent: Friday, March 06, 2009 8:57 AM
Subject: Re: Svalbard earthquake


> Jˇn FrÝmann  writes:
>
>> Hello
>>
>> Here are two news about the Svalbard earthquake this morning. According
>> to news from Norway, this was the biggest earthquake in the country
>> history.
>
> Formally it was a little outside Norway's territory.
>
>> But last year they did have earthquake of the size Mb6.2.
>>
>> http://www.nrk.no/nyheter/distrikt/troms_og_finnmark/1.6512339
>> http://www.aftenposten.no/nyheter/iriks/article2964253.ece
>
> And here's the story in the local paper with a plot from a station 400
> km away from the center (80N 2E):
>
> http://www.svalbardposten.no/nyheter/jordskjelv-utenfor-svalbard
>
> They write that noone has felt the quake, unlike the recent 6.2 quake.
> The nearest settlement, Ny-┼lesund, is located about 300 km away.
>
> I got a huge signal on my seismometer in Oslo 2300 km away:
>
>  http://voksenlia.net/nytt/2009/jordskjelv-20090306-n.png
>
> The P wave looked like this on my geophone:
>
> http://voksenlia.net/nytt/2009/jordskjelv-20090306-gz.png
>
> -- 
> Steinar Midtskogen
> http://voksenlia.net/met/
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