Hi - Your astute observations on microseisms can be continued further by
reading what the late Sean Morrisey of SLU had to say.  See
http://psn.quake.net/psnlist/index99.html
Subject: 6-second microseisms
From: S-T Morrissey sean@........... 
Date: Mon, 30 Aug 1999 23:57:18 -0500 (CDT)

Also enjoyed seeing Mauro's Web page! See the topic of phonoseismology on
his web site www.infoeq.it
 
Regards....Jim O/UNLV





On Thu, 30 May 2002 09:08:40 -0700 Stephen & Kathy 
writes:
> FYI,,   I noticed a strangeness in the background noise today as I 
> was checking my
> traces, so I did an FFT and discovered that they had a period of 
> about 8
> seconds,,   as compared to the normal 4.5 to 5.5 that I've noticed 
> over the years
> for Northern California!    Anyone have any idea why????    Could 
> this be caused
> by the hurricane,, or is something else going on???   I verified 
> that it was not
> my machine by checking with the Berkeley "make your own seismogram" 
> link!!
> 
> http://quake.geo.berkeley.edu/bdsn/make_seismogram.html
> 
> I haven't noticed such long period microseisms before,,,   perhaps I 
> just wasn't
> looking??
> 
>   Stephen
>   PSN Station #55
>   near Pilot Hill Ca
>   38.828N  120.979W
> __________________________________________________________
> 
> Public Seismic Network Mailing List (PSN-L)
> 
> To leave this list email PSN-L-REQUEST@.............. with 
> the body of the message (first line only): unsubscribe
> See http://www.seismicnet.com/maillist.html for more information.






Hi - Your astute observations on microseisms can be continued further =
by=20
reading what the late Sean Morrisey of SLU had to say.  See http://psn.quake.net/=
psnlist/index99.html
Subject: 6-second microseisms
From: S-T Morrissey=20
sean@........... 
Date: Mon, 30 Aug 1999 23:57:18 -0500 (CDT)
 
Also enjoyed seeing Mauro's Web page! See the topic of=20
phonoseismology on his web site www.infoeq.it
 
Regards....Jim=
=20
O/UNLV



 
On Thu, 30 May 2002 09:08:40 -0700 Stephen & Kathy <skmort@..........> writes:
>=
=20
FYI,,   I noticed a strangeness in the background noise today as =
I=20

> was checking my
> traces, so I did an FFT and discovered =
that=20
they had a period of 
> about 8
> seconds,,   as =
compared=20
to the normal 4.5 to 5.5 that I've noticed 
> over the years
> =
for=20
Northern California!    Anyone have any idea=20
why????    Could 
> this be caused
> by the=20
hurricane,, or is something else going on???   I verified 
>=
;=20
that it was not
> my machine by checking with the Berkeley "make your=
 own=20
seismogram" 
> link!!
> 
> http://=
quake.geo.berkeley.edu/bdsn/make_seismogram.html
>=20

> I haven't noticed such long period microseisms before,,, &=
nbsp;=20
perhaps I 
> just wasn't
> looking??
> 
> &=
nbsp;=20
Stephen
>   PSN Station #55
>   near Pilot =
Hill=20
Ca
>   38.828N  120.979W
>=20
__________________________________________________________
> 
>=
=20
Public Seismic Network Mailing List (PSN-L)
> 
> To leave this =
list=20
email PSN-L-REQUEST@.............. with=20

> the body of the message (first line only): unsubscribe
> See=
 http://www.seismicnet.com/=
maillist.html=20
for more information.
>