PSN-L Email List Message
Subject: Re: Svalbard earthquake
From: =?ISO-8859-1?Q?J=F3n_Fr=EDmann?= jonfr@.........
Date: Fri, 06 Mar 2009 22:04:38 +0000
I don't think that the Svalbard earthquake was the trigger in the
Montana earthquake case. Just a chance on how that did happen.
On f=F6s, 2009-03-06 at 09:20 -0700, tchannel wrote:
> Hi Folks, This morning's monitor indicated a large signature. At first=20
> 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=20
> time indicated matched only the last part of the trace. See image one=20
> 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=20
> Later I found the other parts of the trace were from a 6.4M NORTH OF=20
> SVALBARD near Greenland. (See 090306.105022.tcidch1.gif).
> Makes me wonder if the Svalbard earthquake , encouraged the Montana=20
> earthquake as it shook things up, as it passed through?
> ----- Original Message -----=20
> From: "Steinar Midtskogen"
> Sent: Friday, March 06, 2009 8:57 AM
> Subject: Re: Svalbard earthquake
> > J=F3n Fr=EDmann writes:
> >> Hello
> >> Here are two news about the Svalbard earthquake this morning. Accordin=
> >> 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-=C5lesund, 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
> > --=20
> > Steinar Midtskogen
> > http://voksenlia.net/met/
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