Assessing the nation’s earthquakes : the health and future by National Research Council, Division on Earth and Life

By National Research Council, Division on Earth and Life Studies, Environment and Resources Commission on Geosciences, Board on Earth Sciences and Resources, Committee on Seismology, Panel on Regional Networks

This publication assesses the 50 neighborhood seismic networks funded by means of a variety of federal, kingdom, and personal resources that function autonomously within the usa. so much have getting older apparatus and be afflicted by declining resources of working cash. but, they supply beneficial medical facts in addition to information regarding seismicity and earthquakes round their locales.
The quantity describes the appearance of the recent nationwide Seismic community, operated through the U.S. Geological Survey. The nationwide Seismic community offers a special chance to combine the nearby networks with the nationwide community. the program will shield the dear paintings of the nearby networks and improve the functions of the nationwide community.

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PROBLEMS AND CONSTRAINTS 24 of individual networks. ) The panel has estimated the cost to modernize the recording centers and a subset of stations of the regional networks and included these estimates as Recommendation 6 in Chapter 7. In sum, the operation of regional seismic networks involves unavoidable inherent costs that require sustained support. Regional seismic networks are fundamentally wide-area communication networks requiring complex electronics, all-weather remote field installations, telemetry systems for continuous data transmission, elaborate central-recording laboratories with dedicated computers and peripherals for recording and data processing, and well-trained scientists, technicians, and data analysts for efficient and productive operation.

At the other end of the scale, Figure 4 shows a distinctive grouping of 22 networks (close to half the survey sample) having 21 or fewer stations and an annual reported cost of $110,000 or less. This group appears chiefly to include small networks surviving on minimal funding and solidly established networks whose true total costs, arguably, may not have been completely accounted for. Except for two networks whose apparent annual cost is $600,000 or more, the remaining 18 networks characterized in Figure 4 seem to define a pattern marked by annual operational costs of approximately $200,000 to $400,000—despite having numbers of stations ranging from less than 20 to 123.

Please use the print version of this publication as the authoritative version for attribution. PROBLEMS AND CONSTRAINTS 24 of individual networks. ) The panel has estimated the cost to modernize the recording centers and a subset of stations of the regional networks and included these estimates as Recommendation 6 in Chapter 7. In sum, the operation of regional seismic networks involves unavoidable inherent costs that require sustained support. Regional seismic networks are fundamentally wide-area communication networks requiring complex electronics, all-weather remote field installations, telemetry systems for continuous data transmission, elaborate central-recording laboratories with dedicated computers and peripherals for recording and data processing, and well-trained scientists, technicians, and data analysts for efficient and productive operation.

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