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Welcome to the SEG Wiki
A living encyclopedia for applied geophysics.
5,408 articles, 31 active users
Use the search box to locate articles in the SEG Wiki.


QUICK LAYER: Help identify missing concepts in the SEG Wiki by using double brackets. Add them to terms as you go: e.g., [[peak energy]].

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Contact us


QUICK LAYER: Please help us develop our women in geoscience biographies.

Wiki video help series

This help series aims to provide you with the skills necessary to start contributing. We have completed help videos on launching your own user page, growing articles in our biographies section, and advanced tutorials on improving Sheriff's Dictionary. Future videos are planned, so bookmark the playlist!

TLE tutorials

The SEG is publishing an increasing number of geophysical tutorials. The seventh tutorial, Picking unconformities, was recently published in the February 2015 edition of The Leading Edge.

Key concepts from SEG books

SEG Wiki has been working closely with Don Herron to create wiki articles based on Don’s 2011 book First Steps in Seismic Interpretation. Don has condensed, expanded, and paraphrased key concepts from his book for the wiki. Articles on derivation of Poisson's ratio, derivation of reflection coefficient, derivation of Snell's Law, correlation procedures in building a depth migration velocity model, interpretation work flows, and visual estimation of wavelet phase are now available.


QUICK LAYER: If you are familiar editing Wikipedia, you can get started contributing.

Wiki chat

Our fifth #SEGWikiChat will be held Tuesday, April 28. Karl Schleicher, Senior Research Fellow at UT Austin and who helps curate open data, and Lisa Schleicher Walsh, geophysicist at the US Nuclear Regulatory Commission, will be our featured guests.

  • Date and time: Tuesday, 28 April 2015, 10:00-11:00am CST
  • Place: SEG Wiki channel on Muut
  • Guests: Karl Schleicher, Senior Research Fellow at UT Austin and Lisa Schleicher Walsh, geophysicist at the US Nuclear Regulatory Commission
  • Audience: All SEG members, and the greater geophysics community

All questions are welcome. Cannot make the chat? Email your questions to wiki‐at‐


QUICK LAYER: Use this cheat sheet/quick reference for the info you need to get started.

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