NCEDC News/Blog
MOBB - the first cabled broadband observatory for northern CA
Categories: Northern California Seismic System (NCSS) | Northern California Earthquake Data Center (NCEDC) | UC Berkeley Seismological Laboratory (BSL)
February 27, 2009
The NCEDC is pleased to announce the real-time data from MOBB, the first cabled ocean bottom broadband seismic observatory off the coast of California.
The MOBB site is a joint project of the UC Berkeley Seismological Laboratory (BSL) and the Monterey Bay Aquarium Research Institute (MBARI), located at 1000 meters depth off the coast of Monterey bay in northern California. It acquires and transmits real-time data from a Guralp broadband seismometer, a SIO/UCSD differential pressure gauge, and a Falmouth Scientific current meter over a 3.5 km extension cable that connects to the Monterey Accelerated Research System (MARS) 52-km undersea cable off the coast of Monterey Bay in northern California. Data are directly transmitted to data collection nodes at MBARI and BSL, where they will be incorporated into the real-time monitoring system of the Northern California Seismic System (NCSS), a component of the California Integrated Seismic System.
The MOBB real-time data are archived by the NCEDC and available via all of the standard NCEDC data request methods.
More information about the MOBB/MARS system can be found at:
The MARS cable system is testbed for cabled ocean observatories, and is therefore a "work-in-progress". Certain items, such as the pulse-per-second signal used for precise timing, are still under development. Therefore, the accuracy of the timing of data from MOBB may vary over time.
The NCEDC is a joint project of the University of California, Berkeley and the USGS, with facilities located at the University of California, Berkeley. Please send us email at ncedcinfo@ncedc.org or fill out our comments form if you have questions or comments about these changes.
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