Procedures for estimating earthquake ground motions

of earthquake recurrence relations in the United States _____ ___------------------7 3. Relative seismicity of regions of the United States __ _ _____ ______ __ ___ ___________ _______ 8 4. Seismicity parameters for seismic source zones___________________________-------------9 5. Criteria for recognizing an active fault _______________________________________----10 6. Classification of fault activity____________________________________________________ 11 7. Classification of selected faults relative to Fremont, Calif___________________________---------11 8. Relative intensity values and ground character, central California ______----