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Re: Seismic factors by address

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Here is a copy of  Steve Gordin's question & some of the replies to it.....I retrieved them from my gmail archive

hope its  what you were looking for


Thanks to everyone - this is exactly what I was looking for.
V. Steve Gordin, SE
Irvine CA
- Hide quoted text -
----- Original Message -----
From: Casey K. Hemmatyar
To: seaint(--nospam--at)
Sent: Thursday, June 28, 2007 11:49
Subject: RE: 2006 IBC Seismic Map CD


Step 1: Go to;jsessionid=2B180343DF457F54F40C707C4D8972AD;jsessionid=2B180343DF457F54F40C707C4D8972AD
and install "Windows Platform - Java Runtime Environment 5.0 Update 12" (preferably select the "Online Installation")

Step 2: Go to and install "Java Ground Motion Parameter Calculator - Version 5.0.7 (3.5 MB) "
Step 3: The "Seismic Hazard Curves &* Uniform Hazard Response Spectra" display will open.
Step 4: on the very top right corner use the pull down menu to choose the appropriate Code (in this case IBC 2006)
Step 5: Enter the zip code or the Latitude/Longitude to get the result.

P.S. Based on Dr. S.K. Ghosh suggestion, entering the Latitude/Longitude will result in more accurate output. You can get the Latitude/Longitude from or other sites.

Casey (Khashayar) Hemmatyar


From: Deardorff, Mark [mailto: mdeardorff(--nospam--at)]
Sent: Thursday, June 28, 2007 11:17 AM
To: seaint(--nospam--at)
Subject: RE: 2006 IBC Seismic Map CD


I don't know where you can obtain the CD but you can lookup the values at the following USGS site:


Mark E. Deardorff, S.E.

Structural Engineer

Burkett & Wong Engineers

3434 4th Ave

San Diego, CA 92103

P 619.299.5550

F 619.299.9934




From: S. Gordin [mailto: mailbox(--nospam--at)]
Sent: Thursday, June 28, 2007 11:03 AM
To: seaint(--nospam--at)
Subject: 2006 IBC Seismic Map CD

Good morning,


The 2006 IBC refers to a CD by Leyendecker, Frankel, and Rukstales for determination of seismic design parameters.  I have a 2000 IBC version of that CD, and it is very helpful. 


Is the newer (apparently, 2004) version of that CD any different from the 2000 version? 

How can I get that newer CD?




V. Steve Gordin, SE
Irvine CA      



On 7/18/07, Mark Deardorff <mark(--nospam--at) > wrote:


A few months (weeks?) ago a link was posted to a site that had the IBC seismic factors by address. Can someone link that?




Mark E. Deardorff, SE
R & S Tavares Associates, Inc
9815 Carroll Canyon Road
Suite 206
San Diego, CA 92131
Phone: 858-444-3344
Phone: 209-863-8928
Cell: 209-765-5592


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