Project Abstract
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The SCEC borehole program continues to be a collaborative effort between SCEC and other agencies to maintain the existing network of borehole stations in California and to facilitate the integration of this data into CISN and the Southern California Earthquake Data Center. The borehole program is highly leveraged, taking advantage of the resources of other programs and agencies that are active in monitoring southern California earthquake activity.
The philosophy behind this seismic monitoring infrastructure program is that all data should be integrated with the existing regional network infrastructure for real-time transmission, processing, and archival. This provides all researchers with immediate access to the data through multiple interfaces, such as the SCEDC or IRIS DMC. The networks benefit from the use of the borehole data, as the borehole waveforms tend to have lower noise giving rise to cleaner arrivals, making them well suited for determining earthquake locations.
The operations and maintenance of the borehole stations requires an active role in assisting with the maintenance of network and data center operations. Normal yearly operations require some effort as the number of stations continues to increase. In a typical year, approximately 2-4 of the operating SCEC sites are visited and maintenance conducted. The continuous real-time data exchange between Caltech and UCSB allows for quality control of the data. Collaboration with the NSF NEES program and the cyber infrastructure that has been put in place at UCSB through this program facilitates this data exchange. |