The USGS Advanced National Seismic System (ANSS) is being developed along a regionalized model. Eight regions have been organized, with the CISN representing California. David Oppenheimer of the USGS serves as the CISN representative to the ANSS National Implementation Committee (NIC).
Over the last 6 years, ANSS funding in California has been directed primarily to the USGS Menlo Park to expand the strong-motion instrumentation in the San Francisco Bay Area. As a result, more than 100 sites have been installed or upgraded, significantly improving the data available for ShakeMaps.
As the ANSS moves forward, committees and working groups are being established to address issues of interest. Lind Gee has served on the Technical Integration Committee (TIC), which oversees technical issues for the ANSS. Other BSL faculty and staff have been involved in several TIC working groups, including Doug Dreger, Pete Lombard, Doug Neuhauser, Bob Uhrhammer, and Stephane Zuzlewski.
Berkeley Seismological Laboratory
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