Outreach

There has been significant progress at www.cisn.org in FY04/05. Two years ago, the CISN shared the Web server at the Northern California Earthquake Data Center. With the purchase of new, dedicated Web computers, the CISN Web site is now supported by two servers located at Berkeley and Caltech. The Web servers are set up so that the load can be distributed between them, providing improved access during times of high demand.

With the increased robustness provided by the new servers, the CISN has begun to provide access to certain earthquake products directly from www.cisn.org. For example, ShakeMaps are now served directly from the CISN Web site, in addition to being available from several USGS Web servers and the CGS.

In early December 2003, the CISN began offering a sign-up for earthquake notifications by email. Although both northern and southern California have offered individual sign-ups in the past, the new service provides uniform notification messages for earthquakes of M3.5 and higher in California. In addition, users can sign up to be notified when ShakeMaps are generated.

Design and content of http://www.cisn.org continues to evolve. The Web site is an important tool for CISN outreach as well as for communication and documentation among the CISN partners.

Also in FY03/04, the CISN established a Web site dedicated for emergency managers. Following a suggestion from the Advisory Committee, we have designed a Web site to provide personalized access to earthquake information. Known as ``myCISN," the Web site is available at eoc.cisn.org (Figure 4.4). Access to the Web site is limited to registered users in order to provide highly reliable access.

At present, ``myCISN" is a single Web server located at UC Berkeley. However, modifications to the database are underway to allow for multiple servers in the future. A second computer was purchased with FY03/04 funds and will either be installed in Sacramento or in southern California. During the past year, the CISN worked with ISTI to develop and test a plan for the deployment of multiple servers.

Berkeley Seismological Laboratory
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