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Posted October 11, 2014

Pisces is a practical seismological database library in Python. Connect your Python analysis environment to a seismological database, without having to use a separate data-management language, like SQL or shell scripts. Pisces uses common open-source technologies and standards, and allows you to write portable, extensible, and scalable code.


  • Import/export waveforms directly to/from your database.
  • Easy importing/exporting of text "flat-file" data tables.
  • Build database queries using Python objects and methods (SQLAlchemy), not by concatenating SQL strings.
  • Integration with ObsPy.
  • Geographic filtering of results.



  • NumPy
  • ObsPy
  • SQLAlchemy>0.8
  • C, Fortran compiler

Install from PyPI:

pip install pisces-db

Install current master from GitHub:

pip install git+https://github.com/jkmacc-LANL/pisces