Ryer Island

     Listed below are links to information that may be useful to review when discussing the current data reported for the Ryer Island located on Steamboat and Cache Sloughs, or other areas nearby Ryer Island, like the peninsula known as Snug Harbor.  The most important conflicts found so far regarding Ryer Island specifically are 1) the soil and seismic data reported on the 2005 seismic studies, and 2) the Google maps, as of 9/12/08 that still incorrectly list several islands in the California Delta Region. 

     You will have to copy the link provided below and then paste in your browser address window to go to the websites that have these documents.  Some may be included on the Links to Info page as they relate to the plans for the Delta in general

Google Conflicts  Example-links   Other GPS Maps

Abstract explaining the purpose of the study http://www.lettis.com/docs/NEHRP_workshop2005/
Unruh_FY05NEHRP_Res_Sum.pdf
 
FINAL TECHNICAL REPORT:  Digital Compilation of Thrust and Reverse Fault Data for the Northern California Map Database:  January 2006

William Lettis & Associated Inc
Principal investigators:

Jeffrey Unruh and Sean Sundermann

The purpose of this report and study was to help in the Construction of a Community Quaternary Fault Database

http://earthquake.usgs.gov/research/external/reports/05HQGR0054.pdf

 

Special Publication 118:  Revised April 2004:

RECOMMENDED CRITERIA FOR DELINEATING SEISMIC HAZARD ZONES IN CALIFORNIA. 

http://www.conservation.ca.gov/cgs/shzp/webdocs/
Documents/SP118_Revised.pdf
SMIP03 Seminar Proceedings:

CORRELATION OF OBSERVED BUILDING PERFORMANCE WITH MEASURED GROUND MOTION

http://www.conservation.ca.gov/cgs/smip/docs/seminar/
SMIP03/Documents/Paper8_King.pdf
SCEC, USGS & CGS 2008

The Uniform California Earthquake Forecats, Version 2 (UCERF 2)

http://www.conservation.ca.gov/cgs/smip/docs/seminar/
SMIP03/Documents/Paper8_King.pdf
SMIP99 Seminar Proceedings

EVALUATION OF SOIL-STRUCTURE INTERACTION EFFECTS FROM STRONG MOTION RECORDINGS
http://www.conservation.ca.gov/cgs/smip/docs/seminar/
SMIP99/Documents/Paper4_Stewart.pdf
Bulletin of Seismological Society of America; Dec 2000, v.90; no 6b; p. S187-S208  DOI: 10.1785/0120000503

A SITE-CONDITIONS MAP for California Based On Geology and Shear-Wave Velocity


Http://www.bssaonline.org/cgi/content/abstract/90/6B/
S187 is an abstract of the article but it is not free to view, unfortunately.
USGS:  Documentation for the 2002 Update of the National Seismic Hazard Maps http://pubs.usgs.gov/of/2002/ofr-02-420/OFR-02-420.pdf
 
THE REVISED 2002 CALIFORNIA PROBABILISTIC SEISMIC HAZARD MAPS JUNE 2003 http://www.consrv.ca.gov/CGS/rghm/psha/fault_parameters/
pdf/2002_CA_Hazard_Maps.pdf
USGs:  Geologic Map and Map Database of Northeastern San Francisco Bay CA (includes Solano) http://pubs.usgs.gov/mf/2002/2403/mf2403g.pdf
*** Refers to the soils data incorrectly listing the islands.