# Introduction to Generic Mapping Tools (GMT) for Geophysics self-paced course now open

**URL:** <https://forum.generic-mapping-tools.org/t/introduction-to-generic-mapping-tools-gmt-for-geophysics-self-paced-course-now-open/6486>\
**Category:** Announcements\
**Created:** [September 1, 2026, 4:56pm UTC](https://forum.generic-mapping-tools.org/t/introduction-to-generic-mapping-tools-gmt-for-geophysics-self-paced-course-now-open/6486 "2026-09-01T16:56:45Z")\
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**Author:** ![yvonnefroehlich](https://yyz1.discourse-cdn.com/flex047/user_avatar/forum.generic-mapping-tools.org/yvonnefroehlich/32/5064_2.png) [@yvonnefroehlich](https://forum.generic-mapping-tools.org/u/yvonnefroehlich)\
**Post date:** [September 3, 2026, 7:51pm UTC](https://forum.generic-mapping-tools.org/t/introduction-to-generic-mapping-tools-gmt-for-geophysics-self-paced-course-now-open/6486/10 "2026-09-03T19:51:05Z")

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Please note, I think in GMT **6.7.0** there is an issue with color-coding the beachballs based on the quantity in the third column, here the epicentral distance. It works correctly in GMT 6.6.0. xref: [meca ignors colormap created via makecpt · Issue #9176 · GenericMappingTools/gmt · GitHub](https://github.com/GenericMappingTools/gmt/issues/9176)

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