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Where do I find a text file of source indices? #1

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keithaporter opened this issue Apr 4, 2022 · 3 comments
Open

Where do I find a text file of source indices? #1

keithaporter opened this issue Apr 4, 2022 · 3 comments

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@keithaporter
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Mean UCERF3 has 260,000 sources, way too many to search through manually in the scenario ShakeMap application (I'm looking at 1.5.2). There must be a text file listing them that I can search with notepad, etc. Where do I find it?

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@kevinmilner
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Hi @keithaporter,

Sorry your previous ticket slipped through the cracks. There is a more user friendly version of the fault system solution file format that you should be able to read in a text editor: https://opensha.org/Modular-Fault-System-Solution

First, you can download a UCERF3 FM3.1 solution in the new format here:

http://opensha.usc.edu/ftp/ucerf3_erf_modular/FM3_1_branch_averaged.zip

Then unzip it and look at the "fault_sections.geojson" and "indices.csv" files in the 'ruptures' subdirectory. GeoJSON is a standard format, you might find tools like http://geojson.io useful for viewing it.

The indexing might differ from what you get when you select 'Mean UCERF3' in the app, in which case download a nightly build of the app that can load the new files:

http://opensha.usc.edu/apps/opensha/nightlies/latest/

Then, launch the nightly build, select "Fault System Solution ERF", and then load in the zip file you downloaded earlier. Give it a try and let me know!

Kevin

@field-usgs
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field-usgs commented Apr 5, 2022 via email

@keithaporter
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keithaporter commented Apr 5, 2022 via email

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