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Open-File Report 2008–1262

Prepared for U.S. Geological Survey and the Advanced National Seismic System National Implementation Committee

Instrumentation Guidelines for the Advanced National Seismic System

By the Working Group on Instrumentation, Siting, Installation, and Site Metadata of the Advanced National Seismic System Technical Integration Committee

Abstract

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This document provides guidelines for the seismic-monitoring instrumentation used by long-term earthquake-monitoring stations that will sense ground motion, digitize and store the resulting signals in a local data acquisition unit, and optionally transmit these digital data. These guidelines are derived from specifications and requirements for data needed to address the nation’s emergency response, engineering, and scientific needs as identified in U.S. Geological Survey Circular 1188 (1999). Data needs are discussed in terms of national, regional, and urban scales of monitoring in section 3. Functional performance specifications for instrumentation are introduced in section 4.3 and discussed in detail in section 6 in terms of instrument classes and definitions described in section 5. System aspects and testing recommendations are discussed in sections 7 and 8, respectively.

Although U.S. Geological Survey Circular 1188 (1999) recommends that the Advanced National Seismic System (ANSS) include portable instrumentation, performance specifications for this element are not specifically addressed in this document. Nevertheless, these guidelines are largely applicable to portable instrumentation. Volcano monitoring instrumentation is also beyond the scope of this document. Guidance for ANSS structural-response monitoring is discussed briefly herein but details are deferred to the ANSS document by the ANSS Structural Response Monitoring Committee (U.S. Geological Survey, 2005). Aspects of station planning, siting, and installation other than instrumentation are beyond the scope of this document.

Version 1.0

Posted September 2008

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Suggested citation:

Working Group on Instrumentation, Siting, Installation, and Site Metadata, 2008, Instrumentation guidelines for the Advanced National Seismic System: U.S. Geological Survey Open-File Report 2008–1262, 41 p.



Contents

TABLES

ABBREVIATIONS USED IN THIS REPORT

1 PREFACE

2 INTRODUCTION

3 DATA NEEDS AND TYPES OF SEISMIC MONITORING STATIONS

4 GENERAL INSTRUMENTATION CONSIDERATIONS

5 INSTRUMENTATION CLASSES

6 FUNCTIONAL PERFORMANCE SPECIFICATIONS

7 SYSTEM ISSUES

8 TESTING GUIDELINES

9 REFERENCES CITED

10 APPENDIX: THE WORKING GROUP ON INSTRUMENTATION, SITING, INSTALLATION, AND SITE METADATA


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