U.S. Geological Survey Open File Report 99–23, Version 1.1
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Last modified April 25, 2012
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Lahr, J.C., 1999, revised 2012, HYPOELLIPSE: a computer program for determining local earthquake hypocentral parameters, magnitude, and first-motion pattern: U.S. Geological Survey Open-File Report 99–23, version 1.1, 119 p. and software, available at https://pubs.usgs.gov/of/1999/ofr-99-0023/.
Chapter 1 - Introduction to HYPOELLIPSE
Chapter 2 - HYPOELLIPSE Users Guide
Chapter 3 - Error Estimates
Chapter 4 - Magnitude Determinations
Chapter 5 - Determination of Vp/Vs Ratio
Chapter 6 - Generating Travel-Time Tables
Chapter 7 - Use of Cylindrical Delay Regions
Chapter 8 - Summary of Important Formats
Chapter 9 - Acknowledgements
Chapter 10 - References
software