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

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 local seismic networks funded via a variety of federal, country, and personal assets that function autonomously within the usa. such a lot have getting older gear and be afflicted by declining resources of working money. but, they supply beneficial clinical info in addition to information regarding seismicity and earthquakes round their locales.
The quantity describes the arrival of the recent nationwide Seismic community, operated by way of the U.S. Geological Survey. The nationwide Seismic community offers a distinct chance to combine the local networks with the nationwide community. the program will safeguard the precious paintings of the nearby networks and increase the functions of the nationwide community.

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Extra resources for Assessing the nation’s earthquakes : the health and future of regional seismograph networks

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Different individually developed and generally undocumented systems are in use at different networks, which makes internetwork data exchange difficult. It is obviously inefficient for each individual network operation to develop its own software for data analysis. Because written documentation for the systems is commonly lacking, use of the data by visiting scientists often demands significant time from the network operator or data analyst to explain the local system. This difficulty in accessing data has restricted the usefulness of regional networks.

This combination of regional and national networks provides a unique opportunity to significantly advance seismic monitoring, data collection, data distribution, and seismological research in the United States within the next few years. This opportunity will be translated into reality only through close cooperation and coordination between the regional and national efforts and through the integration of certain aspects of their activities. The advantages that may be realized from a partnership of the regional and national network efforts include the following: • Use of USNSN facilities could reduce communications costs.

The USNSN will open important new avenues for seismological research; by itself, however, it will be insufficient to meet the nation's seismic data needs. The seismic stations of the USNSN are planned to be of very high quality (see Chapter 5), but the number of stations deployed will be small— only 100 to 150 USNSN stations are proposed compared to the more than 1,500 stations now deployed in existing regional networks. High station density is an unavoidable prerequisite to successful analysis in many types of seismological investigations.

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Assessing the nation’s earthquakes : the health and future of regional seismograph networks 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


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