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This presentation by David Oppenheimer at Caltech on September 27, 2007, introduces updates like improved ShakeMap handling and memory leak fixes to the CISN Display and Earthquake Notification System. Explore the impact of these enhancements, with insights into web traffic patterns, user statistics, and the overall effectiveness of the systems in aiding earthquake preparedness measures. Learn about the latest subscriber counts, message volumes, and system capacity in managing seismic events. Discover how CISN Display and the Earthquake Notification System play crucial roles in disseminating timely information and facilitating emergency responses during seismic activities.
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CISN Display, Web Traffic, & ENS David Oppenheimer Presented to CISN Steering and Advisory Committees at Caltech, 27 September 2007
V1.4 released 8/21/2007 Kiosk support Day/Night Shading" map layer Improved ShakeMap handling Fixed memory leak ~691 “active” users ~85 users connected (12%) CISN Display
dot.ca.gov emd.wa.gov hko.gov.hk incois.gov.in kmi.com kozt.com lacofd.org mca.gov.to meteorology.gov.mv mwdh2o.com nbcuni.com noaa.gov oes.ca.gov ptwc.noaa.gov 10news.com abc.com atsb-malaysia.com.my bnsf.com bppd.com ci.piedmont.ca.us cityofalhambra.org co.monterey.ca.us co.pierce.wa.us dalycity.org degenkolb.com dhn.mil.pe dnr.wa.gov dogami.state.or.us Connected Users of CISN Display • quileutenation.org • redlandspolice.org • reuters.com • sbcfire.org • scd.hawaii.gov • seasidepd.org • sed.ethz.ch • tribune.com • unesco.org • usgs.gov • ventura.org • water.ca.gov • wsdot.wa.gov • + 14 .edu’s
CA Web Traffic M4.9 Yucaipa Earthquake June 16, 2005
ENS:Earthquake Notification System • 113,000 subscribers as of 9/14/07 • 9000 new/year • 100 quakes/day • 200,000 messages/day • Max delay ~10 min • Robust design, but taxed • 5000 custom profiles • 51 predefined profiles