COSMOS VIRTUAL DATA CENTER: A Portal for Open Dissemination of World-Wide Strong Motion Data Ralph Archuleta, Jamison Steidl, Mindy Squibb Institute for Crustal Studies, University of California, Santa Barbara
Searchable parameters are pulled from the original data files Data files remain with the owners COSMOS Virtual Data Center
Enhancements in Database Expansion Jan 2003Dec 2003% Increase Earthquakes % Stations % Accelerograms15,60018,74920%
Web Pages Viewed
Web Pages Viewed in 2003
Sources of Access: US only
Records (2003) Downloaded by Access to the COSMOS VDC
Files Downloaded from Owner’s Repository
multinational large data sets data owners control currency of data COSMOS Strong-Motion Virtual Data Center
Files Downloaded from COSMOS Repository
Files Selected in 2003
2003 Enhancements Data Sets: Jan: Alyeska (M 7.9) Mar: Big Bear City (M 5.4) May: Miyagi, Japan (M 7.0) Jun: more Big Bear City (M 5.4) Sep: Hokkaido, Japan (M 7.9) Oct: Guerrero Array, Mexico Dec: San Simeon (M 6.5)
2003 Enhancements Web New event notice Linear and log scale on spectra S-wave velocity for an additional 100 stations More station pages from CSMIP Hardware Apple Xserve migration Apple G5 for development Tools Cosmos converter ISO compatibility Multiple output formats
2004 Enhancements Faster and more secure server Overlaying UBC/IBC spectra on response spectra plots Increasing data for which response spectra is available ArcGIS mapping Data available in COSMOS format and ISO-compliant XML format
CosmosConverter Tool Downloadable AutoUpdating Preview data Export data as text plot Export header html Export both xml COSMOS format SMC SAC
Searchable parameters are pulled from the original data files Data files remain with the owners COSMOS Virtual Data Center
Clickable Map Earthquake List Station List Search Parameters Search Options