by R. Archuleta, A. Tumarkin, G. Lindley, A. Shakal and R. Borcherdt
Archuleta, A., A. Tumarkin, G. Lindley, A. Shakal and R. Borcherdt (1999). A Virtual Strong-Motion Data Center for Data Dissemination through the Internet. SMIP99
Seminar on Utilization of Strong-Motion Data, p. 145 - 154.
Click on the link below for the full text:
As a possible contribution to the COSMOS mission to expand the use and application
of strong-motion data, a virtual, Web-based data center is being created. The database
will include data from COSMOS cooperating networks, which currently includes the
California Strong Motion Instrumentation Program, the U.S. Geological Survey, the
Army Corps of Engineers, and the U.S. Bureau of Reclamation. If accepted by
COSMOS, the database would be managed under COSMOS.
The database has been created, and methods of access through the World Wide Web are under development.
Currently, the database includes 740 three-component accelerogram records. The database structure consists
of twelve tables, allowing for data about the accelerogram records, earthquakes, recording sites, instruments,
networks, and station owners to be stored. The database also allows for all items in- the database to
have a comment or scientific reference attached to them.
The database has been created using Microsoft SQLServer7 and is running on a 450 MHz PC. Two mirror sites are
planned. The database access software is being written in the programming languages Java and Perl. These
languages were chosen so that the software will be portable across database and operating system platforms.
Multiple Web access methods are being developed to allow searching of the database from earthquake, station,
or accelerogram record parameters. Users will be able to select data from lists of earthquakes or stations,
to query the database through Web forms pages, or to select data from dynamically created maps.