PSN-L Email List Message

Subject: RE: Spain earthquake
From: =?ISO-8859-1?Q?J=F3n_Fr=EDmann?= jonfr@.........
Date: Mon, 12 Apr 2010 08:07:05 +0000


Hi,

This earthquake appears to be bit strange according to the EMSC website.
As there has never been recored such deep earthquake there before.

http://www.emsc-csem.org/index.php?page=3Dcurrent&sub=3Ddetail&id=3D164036#

This is a strange one it seems.

Regards,
J=F3n Fr=EDmann.

On m=E1n, 2010-04-12 at 00:21 -0700, Stephen Hammond wrote:
> I have not looked at this event but you might look to see if it occurred =
on
> a side flat that is dipping under the slip fault. This could be part of t=
he
> normal faulting and folding that takes place as the plates slip past each
> other. Take a look at the Loma Prieta Oct 17,1986 event and you will see =
an
> example of this. The main event was along the side Zayante Fault next to =
the
> San Andreas and in this area tectonics has subducted the Farallon Plate
> below and between the Pacific plate and the North American plate. The
> subducted plate has contributed to the uplift in the Santa Cruz mountain
> range near the north end of the Monterey Bay.
>=20
> Regards, Steve Hammond PSN San Jose and San Santa Cruz, Aptos, California
>=20
>=20
> -----Original Message-----
> From: psn-l-request@.............. [mailto:psn-l-request@............... =
On
> Behalf Of J=F3n Fr=EDmann
> Sent: Sunday, April 11, 2010 10:21 PM
> To: PSN-Postlist
> Subject: Spain earthquake
>=20
> Hi all,
>=20
> Does anyone know why and how there was a subduction zone earthquake in a
> slip fault zone area. I do not get my head around it. My only idea so
> far is that there must be a good sized plate down there for some odd
> reason.
>=20
> Regards,

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