PSN-L Email List Message
Subject: Re: Earthquake at 110km depth ?!
From: Mark Robinson mark.robinson@...............
Date: Mon, 02 Jul 2007 02:09:21 +1200
Jón Frímann wrote:
> Hi all
>
> The SIL network of the Icelandic met office has detected something
> intresting, the automatic system shows a earthquake at 110km depth,
> where the crust is only ~30 km thick. This might be a error, but my
> station shows a event at that same time. If this earthquake gets
> confirmed at depth of more then 30km there must be something intresting
> be under the crust in my area.
>
> I did check for gloabl earthquake and I didn't see any event big enugh
> to create a false local earthquake, but that requires a mag 8.0+ less
> then 7700 km away from Iceland to do that.
>
> Any suggestion on what this is are welcomed.
Hi Jón,
You might be interested to look at this image:
http://www.geonet.org.nz/images/earthquake/quakes/2757147gc.png
It's a scattergram of earthquake locations mapped onto the earth's surface and
a plot showing the depth of the quakes along a line perpendicular to the major
fault.
I'm sure you'll be able to find similar plots for Iceland.
--
cheers
Mark
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