MLOC Manual V1
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A Manual for MLOC, A Program for Calibrated Multiple Event Relocation This document reproduces the content, as of July 22, 2020, of the on-line documentation for the multiple-event relocation code MLOC, which is hosted at: https://www.seismo.com/mloc/ Hypertext links in this document will go to the website. The website will always be the most up- to-date source of documentation for mloc. The conversion from web pages to a single document presents some significant problems in terms of organization and formatting. I have endeavored to honor the original web content and organization to a high degree. The reader will recognize cases where this has led to repetition or peculiar phraseology and construction. Eric Bergman Global Seismological Services 1900 19th St., Golden, Colorado 80401 (720) 400-7835 [email protected] https://www.seismo.com/ September 21, 2020 1 2 Table of Contents MLOC, A Program for Calibrated Multiple Event Earthquake Relocation......................... 13 Why Would I Want to Use mloc?.............................................................................................. 13 Disclaimer ................................................................................................................................. 14 Development History ................................................................................................................ 14 Acknowledgements ................................................................................................................... 15 Hypocentroidal Decomposition.................................................................................................. 16 Distribution.................................................................................................................................. 19 Current Version ......................................................................................................................... 19 Download .................................................................................................................................. 19 Change Log ............................................................................................................................... 19 Operating System ...................................................................................................................... 23 Hardware Requirements............................................................................................................ 23 Installation Links ...................................................................................................................... 23 Filename and Path of the Configuration File ............................................................................ 25 Keywords .................................................................................................................................. 25 WORKING_DIR ...................................................................................................................... 25 AUTHOR .................................................................................................................................. 25 STATION_MASTER ................................................................................................................ 25 GMT_VER................................................................................................................................ 26 SHELL ...................................................................................................................................... 26 A Sample Configuration File .................................................................................................... 26 Data Files ..................................................................................................................................... 27 /tables/crust/ .............................................................................................................................. 27 /tables/ellipticity/....................................................................................................................... 27 /tables/faults/ ............................................................................................................................. 28 /tables/gmt/................................................................................................................................ 28 /tables/gmt/cpt/...................................................................................................................... 28 /tables/gmt/dem/.................................................................................................................... 28 /tables/kml/................................................................................................................................ 29 /tables/spread/ ........................................................................................................................... 29 /tables/stn/ ................................................................................................................................. 29 /tables/tau-p/.............................................................................................................................. 30 Directory Structure ..................................................................................................................... 31 /clusters Directory ..................................................................................................................... 32 Naming Clusters, Series and Runs ........................................................................................ 32 Example Clusters .................................................................................................................. 33 /documents Directory ................................................................................................................ 33 /mloc_gfortran Directory .......................................................................................................... 33 /mloc_src Directory .................................................................................................................. 33 /mloc_utilities Directory ........................................................................................................... 33 3 /mloc_working Directory .......................................................................................................... 34 /mloc_working/tables................................................................................................................ 34 /mloc_working/utilities ............................................................................................................. 34 /mnf_utilities Directory............................................................................................................. 34 External Resources ..................................................................................................................... 35 GMT.......................................................................................................................................... 35 Using GMT5 ......................................................................................................................... 35 Google Earth ............................................................................................................................. 35 A Good Text Editor ................................................................................................................... 35 A PDF Viewer ........................................................................................................................... 35 A Line-Fitting Application ........................................................................................................ 36 Source Code ................................................................................................................................. 37 Source Code Modules ............................................................................................................... 37 Version History ......................................................................................................................... 37 Compilers .................................................................................................................................. 38 Warning ..................................................................................................................................... 38 MLOC Source Code Modules .................................................................................................. 38 Main Program ........................................................................................................................... 38 Subroutine Modules .................................................................................................................. 38 Include Files .............................................................................................................................. 39 Utility Codes ................................................................................................................................ 41 Editing Event Files.................................................................................................................... 41 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