The California Integrated Seismic Network:status and perspectives

The CISN Steering Committee

The California Integrated Seismic Network (CISN) is a consortium of federal, state and academic
institutions engaged in earthquake monitoring in California. The CISN represents California as a
designated region of the Advanced National Seismic System (ANSS). The CISN is governed by a
Steering Committee representing institutions actively involved in earthquake monitoring in
California (currently USGS, CDMG, UCB and Caltech) and the California OES. Current
members of the CISN Steering Committee are Barbara Romanowicz (chair) and Lind Gee (both
at UCB), David Oppenheimer and Mary-Lou Zoback (both at USGS/Menlo Park), Egill
Hauksson and Robert Clayton (both at Caltech), Jim Davis and Tony Shakal (both at CDMG),
Lucy Jones (vice-chair) and David Wald (both at USGS/Pasadena), Rich Eisner (OES) and
Chris Poland (Degenkolb Engineers; head of the CISN Advisory Committee). A major goal of
the CISN is to ensure a more uniform system for earthquake monitoring, through the
improvement of seismic infrastructure in northern California and continued maintenance of the
TriNet system in southern California. Another major goal is to integrate the earthquake
monitoring and reporting efforts in California, utilizing compatible softrware and creating a single
catalog. In particular, we will work to improve the robustness of statewide rapid notification and
work with the California OES and other emergency responders to maximize the use and benefit
of this real time seismic information. In the coming year, with new support from the State of
California through the Office of Emergency Services, and from the ANSS program of the
USGS, more than 50 new strong-motion stations will be installed, with a focus in the San
Francisco Bay Area, in order to improve coverage for ShakeMap and 2 new broadband stations
will be deployed in northern California to enhance earthquake reporting. CISN is also
contributing to structural monitoring. The CISN is also focusing on data distribution and plans to
implement the CISN Engineering Data Center to rapidly distribute statewide strong motion data
for effective post-earthquake engineering use for damage assessment and building code and
land use improvements, which will reduce losses in future large earthquakes.