Hi again Jon,
                     you need to do a little more research  :)
  this is not the deepest quake in this area it was well beaten by a M7.1
in 1954 that was 650km deep !!!    very deep quakes in this region are
not unheard of just not common.
    The opinion of some researchers is that maybe its an old block of the=20
original
subducted lithospheric material that may still be producing occassional=
 events.

cheers
Dave N
Sydney


At 08:07 AM 4/12/2010 +0000, you wrote:
>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.

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