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3 Introduction
3.1 Goals for the Earthquake Catalog Development
3.1.1 Completeness
3.1.2 Uniformity of Catalog Processing
3.1.3 Catalog Review
3.2 Catalog Compilation
3.2.1 Continental-Scale Catalogs
3.2.2 Regional Catalogs
3.2.3 Catalogs from Special Studies
3.2.4 Focal Depth Data
3.2.5 Nontectonic Events
3.2.6 Identification of Unique Earthquake Entries
3.3 Development of a Uniform Moment Magnitude Earthquake Catalog
3.3.1 Approach for Uniform Magnitude and Unbiased Recurrence Estimation
3.3.2 Estimation of E[M] for the CEUS-SSC Project Catalog
3.3.2.1 Effect of Magnitude Rounding on Statistical Tests
3.3.2.2 Moment Magnitude Data
3.3.2.3 Estimation of E[M] from Body-Wave Magnitudes
3.3.2.4 Estimation of E[M] from ML Magnitudes
3.3.2.5 Estimation of E[M] from MS Magnitudes
3.3.2.6 Estimation of E[M] from MC and MD Magnitudes
3.3.2.7 Estimation of E[M] from the Logarithm of Felt Area
3.3.2.8 Estimation of E[M] from the Maximum Intensity, I0
3.3.2.9 Uniform Moment Magnitude catalog of E[M] and N* Values
3.4 Identification of Independent Earthquakes
3.5 Catalog Completeness
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