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RE: seismic accelerations

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Enercalc has them all listed by zipcode. The list is sortable.
-----Original Message-----
From: Gerard Madden, SE [mailto:gmse4603(--nospam--at)]
Sent: Wednesday, September 23, 2009 11:25 AM
To: seaint(--nospam--at)
Subject: Re: seismic accelerations

Good. that way you can narrow down your search to the middle of the peak areas.

I guess you could also pay a local college engineering student a 100 bucks (beer money) to run the USGS program for every zip code in CA and give you a spread sheet with the summary.


On Wed, Sep 23, 2009 at 9:53 AM, SGE Structural <sgordin(--nospam--at)> wrote:
I am doing that too.
The good news is that whatever it is in California, it is still remains less than in Sikestone MO (3.368/1.314)/
V. Steve Gordin, SE
Irvine CA
----- Original Message -----
Sent: Wednesday, September 23, 2009 09:01
Subject: Re: seismic accelerations

Might be easier just to look at the maps with the contour lines for the SS and S1.


On Wed, Sep 23, 2009 at 8:45 AM, SGE Structural <sgordin(--nospam--at)> wrote:
This is pretty much exactly what I am doing. 
V. Steve Gordin, SE
Irvine CA
----- Original Message -----
Sent: Wednesday, September 23, 2009 08:41
Subject: Re: seismic accelerations


You might try going into Google Earth and get the latitude and longitude from various cities along the San Adreas Fault (and/or other major faults) then plug into the USGS seismic parameter program and see what you get.

Thomas Hunt, S.E.

"SGE Structural" <sgordin(--nospam--at)>
09/23/2009 08:05 AM
Please respond to seaint
seismic accelerations

Good morning,
Working on a project "generic" for entire State of California, and need to estimate the highest seismic load for a city in the state.
So far, the highest accelerations I found were in the City of Rancho Cucamonga (Ss=2.670, S1=0.968, higher than even in Richmond or Berkeley).
Is anybody aware of even higher values anywhere in the state?
V. Steve Gordin, SE
Irvine CA

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