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TitleEngineering applications of real-time ground motion monitoring
AuthorRosenberger, A; Rogers, G; Cassidy, JORCID logo
SourceProceedings of the 9th U.S. National and 10th Canadian Conference on Earthquake Engineering/Compte Rendu de la 9ième Conférence Nationale Américaine et 10ième Conférence Canadienne de Génie Parasismique; 767, 2010, 7 pages
Alt SeriesEarth Sciences Sector, Contribution Series 20090312
Meeting9th US National and 10th Canadian Conference on Earthquake Engineering; Toronto, ON; CA; July 25-29, 2010
RelatedThis publication is contained in Estimated seismic design values for Canadian missions abroad
Subjectsgeophysics; engineering geology; strong motion seismology; seismology; earthquakes; earthquake studies; seismographs; p waves
Illustrationsprofiles; schematic diagrams
ProgramPublic Safety Geoscience Reducing Risk Program Management
AbstractModern strong motion instrumentation with on-board computing capabilities can serve multiple purposes when connected in networks with fast Internet based telemetry. Since the instruments can feed their data directly in to rapid response systems they contribute in an enfolding earthquake to immediate situation awareness long before results from conventional reconnaissance missions become available.
Their data can be integrated with structural monitoring systems to aide in the rapid assessment of critical infrastructure and life lines in the aftermath of a large earthquake. They can also help to fill the often still sparse data-base of strong ground motions required for seismic engineering and hazard and risk assessment in general. All three applications require a sufficiently high density of stations in a high earthquake risk area and as well a new type of smart instrument which can provide a parameter set describing the nature and severity of earthquake ground motion in real time and in a form suitable as input for engineering models.
A network of about one hundred novel instruments in British Columbia delivers parametric ground motion data directly to client systems in near real time without the detour through a seismic data centre. We give an overview of how the network operates and present examples from recent local earthquakes.

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